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Up Topic The Rybka Lounge / Test Positions / Alternative Chess Test
- - By dorszcz (**) Date 2019-06-01 07:25 Upvotes 1
Alternative Chess Test is a collection of 287 hard chess positions for testing engines. The test differs a lot from other popular test suites, it mostly contains tricky endgame puzzles and difficult mates. The results do not allways correlate with elo ratings. About 40 top engines were used to select the positions for this set.

Conditions and some results:
Time limit: 15 seconds per position
CPU: i5-3570 (4x3600 MHz)
Tablebases: 6-pieces Syzygy, 5-pieces Gaviota, 5-pieces (and ~80 GB of most popular 6-pieces) Nalimov, all on SSD
Strongest version of engine is used: 64 bit, POPCNT, SSE4.2 etc.

Sting 14 - 207 out of 287 = 72.1%
Sting 15 - 206 out of 287 = 71.7%
Houdini 1.5a - 205 out of 287 = 71.4%
Stockfish 10 - 202 out of 287 = 70.3%
Critter 1.6a - 200 out of 287 = 69.6%
ShashChess 8.0 - 198 out of 287 = 68.9% 
CorChess 3.1 160519  - 196 out of 287 = 68.2% 
asmFishW_2019-04-05 - 193 out of 287 = 67.2% 
asmFishW_2019-05-19 - 190 out of 287 = 66.2% 
IvanHoe 9.46b - 167 out of 287 = 58.1% 
Komodo 10 - 159 out of 287 = 55.4% 
spark-1.0  - 157 out of 287 = 54.7% 
Deep Rybka 4 - 153 out of 287 = 53.3% 
Naum 4.6 - 152 out of 287 = 52.9% 
Rybka 3 Dynamic - 150 out of 287 = 52.2% 
Booot 6.3.1 - 147 out of 287 = 51.2% 
Gull 3 - 143 out of 287 = 49.8% 
Spike 1.4 - 124 out of 287 = 43.2% 
Equinox 3.30 - 113 out of 287 = 39.3% 
Wasp 3.60 - 109 out of 287 = 37.9% 
Nemorino 5.00 - 109 out of 287 = 37.9% 
Fire 7.1 - 108 out of 287 = 37.6% 
Andscacs 0.95 - 96 out of 287 = 33.4% 
Xiphos 0.5.3 - 88 out of 287 = 30.6% 
Protector 1.9.0 - 87 out of 287 = 30.3% 
Texel 1.08a11 - 83 out of 287 = 28.9% 
Laser 1.7 - 82 out of 287 = 28.5% 
Nirvanachess 2.4 - 76 out of 287 = 26.4%
Rodent III 0.273 - 70 out of 287 = 24.3% 
Senpai 2.0 - 68 out of 287 = 23.6% 
RofChade 2.1 - 68 out of 287 = 23.6% 
Pedone 1.9 - 62 out of 287 = 21.6% 
iCE 3.0 v658 - 59 out of 287 = 20.5% 
Arasan 21.3 - 45 out of 287 = 15.6% 

Special thanks to Dann Corbit who helped me to verify and correct positions, for big effort and kind approach.

There are 3 files:
Alternative Chess Test.epd - test suite
Alternative Chess Test-Analysis.epd - analyzed positions with names
Alternative Chess Test.pgn - popular format, some analysis

http://www.mediafire.com/file/8yxjk8dq97n3o6j/Alternative+Chess+Test+01.06.2019.zip

Have fun!
Parent - - By user923005 (****) Date 2019-06-04 18:26 Upvotes 1
I ran a few tests, but instead of CPU: i5-3570 (4x3600 MHz) I used CPU: E5-1650, with 4 threads at 3.2 GHz at 17 seconds (which I compute to be about the same number of cycles).

Sting14 (to compare) =      204 of 287 matching moves
Sting15 (to compare) =      195 of 287 matching moves
Houdini 6 =                      193 of 287 matching moves
Houdini 6 Tactical 1 =        188 of 287 matching moves
Honey-XPro-x64-modern =  175 of 287 matching moves
Komodo-13.02-64bit =       139 of 287 matching moves
Andscacs =                       98 of 287 matching moves
Ethereal11.00-x64-popcnt = 93 of 287 matching moves
Fire_7.1_x64_popcnt =        91 of 287 matching moves

The only one that surprised me was Houdini normal chess mode beating Houdini tactical.
That tells me that depth is very important for this test.
Parent - - By user923005 (****) Date 2019-06-05 00:08 Edited 2019-06-05 00:11 Upvotes 1
For the 9 engines I tried, here are the statistics for solutions by problem at the given time control with 4 threads:

problem 1: solvers=7, time spent = 37
problem 2: solvers=8, time spent = 30
problem 3: solvers=6, time spent = 59
problem 4: solvers=6, time spent = 59
problem 5: solvers=3, time spent = 129
problem 6: solvers=5, time spent = 85
problem 7: solvers=7, time spent = 51
problem 8: solvers=7, time spent = 43
problem 9: solvers=7, time spent = 37
problem 10: solvers=8, time spent = 33
problem 11: solvers=7, time spent = 36
problem 12: solvers=4, time spent = 97
problem 13: solvers=6, time spent = 96
problem 14: solvers=2, time spent = 127
problem 15: solvers=6, time spent = 84
problem 16: solvers=5, time spent = 72
problem 17: solvers=3, time spent = 153
problem 18: solvers=4, time spent = 136
problem 19: solvers=6, time spent = 77
problem 20: solvers=4, time spent = 107
problem 21: solvers=7, time spent = 36
problem 22: solvers=5, time spent = 103
problem 23: solvers=6, time spent = 75
problem 24: solvers=8, time spent = 42
problem 25: solvers=6, time spent = 54
problem 26: solvers=5, time spent = 98
problem 27: solvers=7, time spent = 53
problem 28: solvers=9, time spent = 28
problem 29: solvers=6, time spent = 98
problem 30: solvers=4, time spent = 95
problem 31: solvers=7, time spent = 74
problem 32: solvers=4, time spent = 102
problem 33: solvers=7, time spent = 78
problem 34: solvers=2, time spent = 141
problem 35: solvers=4, time spent = 101
problem 36: solvers=5, time spent = 104
problem 37: solvers=4, time spent = 90
problem 38: solvers=4, time spent = 119
problem 39: solvers=6, time spent = 54
problem 40: solvers=6, time spent = 76
problem 41: solvers=6, time spent = 82
problem 42: solvers=6, time spent = 56
problem 43: solvers=6, time spent = 80
problem 44: solvers=0, time spent = 162
problem 45: solvers=4, time spent = 100
problem 46: solvers=7, time spent = 37
problem 47: solvers=4, time spent = 112
problem 48: solvers=1, time spent = 150
problem 49: solvers=8, time spent = 32
problem 50: solvers=2, time spent = 132
problem 51: solvers=7, time spent = 54
problem 52: solvers=7, time spent = 43
problem 53: solvers=5, time spent = 89
problem 54: solvers=5, time spent = 97
problem 55: solvers=6, time spent = 93
problem 56: solvers=6, time spent = 64
problem 57: solvers=1, time spent = 154
problem 58: solvers=7, time spent = 78
problem 59: solvers=0, time spent = 162
problem 60: solvers=7, time spent = 70
problem 61: solvers=7, time spent = 80
problem 62: solvers=9, time spent = 33
problem 63: solvers=2, time spent = 130
problem 64: solvers=7, time spent = 60
problem 65: solvers=6, time spent = 83
problem 66: solvers=2, time spent = 131
problem 67: solvers=3, time spent = 127
problem 68: solvers=9, time spent = 41
problem 69: solvers=8, time spent = 32
problem 70: solvers=7, time spent = 63
problem 71: solvers=8, time spent = 51
problem 72: solvers=2, time spent = 130
problem 73: solvers=0, time spent = 162
problem 74: solvers=8, time spent = 55
problem 75: solvers=1, time spent = 156
problem 76: solvers=8, time spent = 34
problem 77: solvers=6, time spent = 64
problem 78: solvers=6, time spent = 75
problem 79: solvers=7, time spent = 67
problem 80: solvers=3, time spent = 124
problem 81: solvers=7, time spent = 83
problem 82: solvers=5, time spent = 107
problem 83: solvers=3, time spent = 132
problem 84: solvers=7, time spent = 81
problem 85: solvers=7, time spent = 55
problem 86: solvers=6, time spent = 80
problem 87: solvers=7, time spent = 67
problem 88: solvers=5, time spent = 83
problem 89: solvers=6, time spent = 58
problem 90: solvers=8, time spent = 42
problem 91: solvers=2, time spent = 128
problem 92: solvers=8, time spent = 45
problem 93: solvers=2, time spent = 126
problem 94: solvers=4, time spent = 100
problem 95: solvers=5, time spent = 75
problem 96: solvers=2, time spent = 132
problem 97: solvers=7, time spent = 77
problem 98: solvers=4, time spent = 133
problem 99: solvers=9, time spent = 101
problem 100: solvers=9, time spent = 20
problem 101: solvers=4, time spent = 122
problem 102: solvers=5, time spent = 89
problem 103: solvers=4, time spent = 90
problem 104: solvers=6, time spent = 78
problem 105: solvers=4, time spent = 99
problem 106: solvers=7, time spent = 79
problem 107: solvers=5, time spent = 111
problem 108: solvers=6, time spent = 111
problem 109: solvers=7, time spent = 76
problem 110: solvers=6, time spent = 60
problem 111: solvers=6, time spent = 71
problem 112: solvers=7, time spent = 64
problem 113: solvers=0, time spent = 162
problem 114: solvers=0, time spent = 162
problem 115: solvers=7, time spent = 67
problem 116: solvers=2, time spent = 129
problem 117: solvers=5, time spent = 83
problem 118: solvers=6, time spent = 75
problem 119: solvers=1, time spent = 159
problem 120: solvers=5, time spent = 95
problem 121: solvers=5, time spent = 85
problem 122: solvers=4, time spent = 104
problem 123: solvers=1, time spent = 158
problem 124: solvers=6, time spent = 74
problem 125: solvers=8, time spent = 36
problem 126: solvers=6, time spent = 82
problem 127: solvers=3, time spent = 114
problem 128: solvers=2, time spent = 144
problem 129: solvers=9, time spent = 25
problem 130: solvers=1, time spent = 159
problem 131: solvers=6, time spent = 67
problem 132: solvers=8, time spent = 75
problem 133: solvers=1, time spent = 153
problem 134: solvers=3, time spent = 124
problem 135: solvers=6, time spent = 92
problem 136: solvers=2, time spent = 158
problem 137: solvers=8, time spent = 50
problem 138: solvers=7, time spent = 44
problem 139: solvers=5, time spent = 94
problem 140: solvers=3, time spent = 108
problem 141: solvers=7, time spent = 79
problem 142: solvers=0, time spent = 162
problem 143: solvers=9, time spent = 45
problem 144: solvers=2, time spent = 129
problem 145: solvers=6, time spent = 54
problem 146: solvers=3, time spent = 126
problem 147: solvers=6, time spent = 59
problem 148: solvers=9, time spent = 51
problem 149: solvers=8, time spent = 57
problem 150: solvers=6, time spent = 82
problem 151: solvers=6, time spent = 92
problem 152: solvers=1, time spent = 145
problem 153: solvers=2, time spent = 132
problem 154: solvers=4, time spent = 117
problem 155: solvers=4, time spent = 111
problem 156: solvers=5, time spent = 89
problem 157: solvers=4, time spent = 90
problem 158: solvers=7, time spent = 68
problem 159: solvers=8, time spent = 18
problem 160: solvers=2, time spent = 137
problem 161: solvers=3, time spent = 123
problem 162: solvers=6, time spent = 70
problem 163: solvers=6, time spent = 73
problem 164: solvers=5, time spent = 107
problem 165: solvers=8, time spent = 69
problem 166: solvers=4, time spent = 93
problem 167: solvers=4, time spent = 104
problem 168: solvers=7, time spent = 48
problem 169: solvers=4, time spent = 133
problem 170: solvers=8, time spent = 30
problem 171: solvers=7, time spent = 46
problem 172: solvers=1, time spent = 156
problem 173: solvers=4, time spent = 119
problem 174: solvers=8, time spent = 61
problem 175: solvers=4, time spent = 110
problem 176: solvers=3, time spent = 128
problem 177: solvers=5, time spent = 106
problem 178: solvers=7, time spent = 37
problem 179: solvers=3, time spent = 141
problem 180: solvers=3, time spent = 117
problem 181: solvers=3, time spent = 127
problem 182: solvers=6, time spent = 80
problem 183: solvers=2, time spent = 140
problem 184: solvers=4, time spent = 103
problem 185: solvers=5, time spent = 79
problem 186: solvers=6, time spent = 64
problem 187: solvers=4, time spent = 107
problem 188: solvers=7, time spent = 51
problem 189: solvers=3, time spent = 131
problem 190: solvers=3, time spent = 124
problem 191: solvers=8, time spent = 24
problem 192: solvers=4, time spent = 100
problem 193: solvers=6, time spent = 81
problem 194: solvers=6, time spent = 106
problem 195: solvers=6, time spent = 70
problem 196: solvers=6, time spent = 75
problem 197: solvers=8, time spent = 49
problem 198: solvers=6, time spent = 74
problem 199: solvers=7, time spent = 59
problem 200: solvers=1, time spent = 147
problem 201: solvers=5, time spent = 92
problem 202: solvers=8, time spent = 52
problem 203: solvers=8, time spent = 52
problem 204: solvers=3, time spent = 116
problem 205: solvers=8, time spent = 86
problem 206: solvers=4, time spent = 113
problem 207: solvers=2, time spent = 138
problem 208: solvers=2, time spent = 132
problem 209: solvers=4, time spent = 114
problem 210: solvers=8, time spent = 40
problem 211: solvers=4, time spent = 117
problem 212: solvers=4, time spent = 105
problem 213: solvers=7, time spent = 96
problem 214: solvers=7, time spent = 102
problem 215: solvers=3, time spent = 146
problem 216: solvers=7, time spent = 78
problem 217: solvers=5, time spent = 98
problem 218: solvers=3, time spent = 137
problem 219: solvers=5, time spent = 110
problem 220: solvers=2, time spent = 133
problem 221: solvers=5, time spent = 81
problem 222: solvers=8, time spent = 32
problem 223: solvers=1, time spent = 158
problem 224: solvers=2, time spent = 126
problem 225: solvers=4, time spent = 91
problem 226: solvers=3, time spent = 115
problem 227: solvers=8, time spent = 53
problem 228: solvers=3, time spent = 108
problem 229: solvers=6, time spent = 72
problem 230: solvers=7, time spent = 69
problem 231: solvers=4, time spent = 92
problem 232: solvers=5, time spent = 99
problem 233: solvers=6, time spent = 75
problem 234: solvers=3, time spent = 121
problem 235: solvers=4, time spent = 96
problem 236: solvers=4, time spent = 104
problem 237: solvers=6, time spent = 54
problem 238: solvers=4, time spent = 119
problem 239: solvers=8, time spent = 29
problem 240: solvers=7, time spent = 74
problem 241: solvers=7, time spent = 48
problem 242: solvers=7, time spent = 69
problem 243: solvers=7, time spent = 52
problem 244: solvers=4, time spent = 103
problem 245: solvers=8, time spent = 34
problem 246: solvers=7, time spent = 78
problem 247: solvers=3, time spent = 110
problem 248: solvers=7, time spent = 42
problem 249: solvers=6, time spent = 58
problem 250: solvers=6, time spent = 85
problem 251: solvers=0, time spent = 162
problem 252: solvers=5, time spent = 117
problem 253: solvers=9, time spent = 52
problem 254: solvers=5, time spent = 97
problem 255: solvers=7, time spent = 73
problem 256: solvers=8, time spent = 58
problem 257: solvers=4, time spent = 125
problem 258: solvers=8, time spent = 80
problem 259: solvers=1, time spent = 157
problem 260: solvers=2, time spent = 126
problem 261: solvers=5, time spent = 89
problem 262: solvers=4, time spent = 119
problem 263: solvers=8, time spent = 22
problem 264: solvers=5, time spent = 117
problem 265: solvers=4, time spent = 105
problem 266: solvers=2, time spent = 130
problem 267: solvers=2, time spent = 126
problem 268: solvers=5, time spent = 123
problem 269: solvers=8, time spent = 57
problem 270: solvers=7, time spent = 50
problem 271: solvers=4, time spent = 109
problem 272: solvers=5, time spent = 120
problem 273: solvers=3, time spent = 121
problem 274: solvers=7, time spent = 43
problem 275: solvers=4, time spent = 108
problem 276: solvers=9, time spent = 41
problem 277: solvers=4, time spent = 133
problem 278: solvers=7, time spent = 91
problem 279: solvers=3, time spent = 147
problem 280: solvers=4, time spent = 126
problem 281: solvers=5, time spent = 94
problem 282: solvers=4, time spent = 135
problem 283: solvers=4, time spent = 109
problem 284: solvers=8, time spent = 88
problem 285: solvers=1, time spent = 144
problem 286: solvers=2, time spent = 131
problem 287: solvers=1, time spent = 150

A total of ten problems were solved by all nine engines
A total of seven problems were not solved by any of the engines at this time control.
Parent - - By user923005 (****) Date 2019-06-05 00:12 Upvotes 1
I used this program:

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

char string[32767];
char *getsafe(char *buffer, int count)
{
    char *result = buffer, *np;
    if ((buffer == NULL) || (count < 1))
        result = NULL;
    else if (count == 1)
        *result = '\0';
    else if ((result = fgets(buffer, count, stdin)) != NULL)
        if (np = strchr(buffer, '\n'))
            *np = '\0';
    return result;
}

int main(void)
{
    while (getsafe(string, sizeof string))
    {
        char *where = string;
        int problem =  atoi(string);
        int seconds = 0;
        int count = 0;
        do
        {
            where = strchr(where+1, '*');
            if (where) {
                seconds += atoi(where+1);
                count++;
            }
        } while (where);
        if (count < 9) seconds += 18 * (9 - count);
        printf("problem %d: solvers=%d, time spent = %d\n", problem, count, seconds);
    }
    return 0;
}
Attachment: solvers.txt - engine output concatenated (67k)
Parent - - By dorszcz (**) Date 2019-06-09 20:03 Upvotes 1
The easiest position in this set was solved by 26 of 34 engines I tested.
The hardest positions were ACT.113 and ACT.142. They were not solved by any engine.

Houdini 6 beating Houdini 6 Tactical is a surprise, good result by old Houdini 1.5a too.
Parent - By McBrain (*) Date 2019-06-12 02:14 Upvotes 1
#142 can be solved by McCain using tactical 8 - reminder a score near 50 is draw

2kbK2R/4p3/1p2Pr2/1p1P4/1PN5/1r6/5P2/8 w - - 0 1


dep  score  nodes  time  (not shown:  tbhits  knps  seldep)
30  +49.96   1.87G  1:04.92  Nd6+ exd6 e7 Bc7 Rf8 Rbf3 Rf7 Bb8 Rf8
29  +49.96   1.35G  0:46.72  Nd6+ exd6 e7 Bc7 Rf8 Rbf3 Rf7 R6f5 Rf6 Bb8 Rf7
28  +49.96   1.05G  0:35.88  Nd6+ exd6 e7 Bc7 Rf8 Rbf3 Rf7 R3f4 f3 Bb8 Rf8 Rxf8+ exf8=Q Rxf8+ Kxf8 Bc7 f4 Bd8 Kf7 Kd7 f5 Bg5 f6 Bc1 Kg8 Bh6 Kf7
27  +49.96   776.5M  0:26.47  Nd6+ exd6 e7 Bc7 Rf8 Rbf3 Rf7 Bb8 Rf8 R6f5 Rf7
26  +31.25   687.6M  0:23.46  Nd6+ exd6 e7 Bc7 Rf8 Rbf3 Rf7 R6f5 Rf6 Bb8 Rf7 R3f4 f3 Rf6 Rf8 Rxf8+ exf8=Q Rxf8+ Kxf8 Bc7 Ke7 Bd8+ Kxd6 Kb7 Ke6 Bg5 Kf5 Bd2
25  +18.62   560.9M  0:19.06  Nd6+ exd6 e7 Bc7 Rf8 Rbf3 Rf7 R6f5 Rf6 Bb8 Rf7 R3f4 f3 Rf6 Rf8 Bc7 Rf7 Kb7 Rxf6 Rxf6 Kd7 Rf7 f4 Bb8 f5 Rg7 f6 Rh7 Ke6 Rh8
24  +13.94   485.6M  0:16.44  Ne5 Rf5 f4 Re3 Rh1 Bc7 Kxe7 Rxf4 Nf7 Rxb4 d6 Rbe4 d7+ Kb8 d8=Q+ Bxd8+ Nxd8 b4 Ra1 Rd3 Nf7 b3 Nd6 Red4 Nb5 Rb4 Nd6 b2 Rb1 Rd2 Nf5 Kc7 Ng7 Rg4 Nh5 Rg5 Nf4
23  +14.48   409.1M  0:13.82  Nd6+ exd6 e7 Bc7 Rf8 Rbf3 Rf7 R3f4 f3 R6f5 Rf6 Bb8 Rf8 Rf6 Rf7 Ba7 Rxf6 Rxf6 f4 Bb8 f5 Rh6 Kf7 Rh7+ Ke6 Rh8 f6
23  +13.74   408.7M  0:13.80  Ne5 Rf5 f4 Re3 Rh1 Bc7 Kxe7 Rxf4 Nc6 Rd3 Rh5 Kb7 Kd7 Rc4 e7 Rxc6 e8=Q Rd6+ Ke7 Re3+ Kf8 Rf6+ Kg7 Rxe8 Kxf6 Bd6 Rh7+ Ka6 Rh4 Re5 Rd4 Kb7 Rd3
22  +16.76   281.8M  0:09.48  Ne5 Rf5 f4 Re3 Rf8 Rexe5 fxe5 Rxe5 Rf4 Rxd5 Re4 Kb7 Rg4 Rd6 Rh4 Kc6 Re4 Rd3 Rg4 Bc7 Kxe7 Bd6+ Ke8 Re3 Rg6 Bxb4 Kd8 Bd6
21  +29.00   191.9M  0:06.40  Ne5 Rf5 f4 Kc7 Rh1 Rxb4 Rd1 Rc4 Nf7 Rfxf4 Nxd8 Rfd4 Ra1 Rxd5 Ra7+ Kb8 Rd7 Rxd7 exd7
20  +21.28   147.6M  0:04.92  Ne5 Rf5 f4 Kc7 Rh1 Rxb4 Rc1+ Rc4 Nxc4 bxc4 Rxc4+ Kd6 Rb4 Rh5 Rb3 Bc7 f5 Rxf5 Rxb6+ Ke5 Rb1 Bd6 Kd7 Kxd5 Rh1 Ke5 Rh2 Kf6 Rh7 Rd5 Ke8 Bb4 Rf7+ Ke5 Rg7 Bd6
19  +24.89   100.2M  0:03.35  Ne5 Rf5 f4 Kc7 Rh1 Rxb4 Rc1+ Rc4 Nxc4 bxc4 Rxc4+ Kd6 Rb4 Rh5 Rb2 Bc7 f5 Rxf5 Rxb6+ Ke5 Rb5 Bd6 Kd7 Rf2 Rb1 Kxd5
18  +22.60   91.3M    0:03.05  Ne5 Rf5 f4 Kc7 Rh2 Rxb4 Rc2+ Rc4 Nxc4 bxc4 Rxc4+ Kd6 Rb4 Rh5 f5 Bc7 Rb2 Rxf5 Rxb6+ Ke5 Rb1 Bd6 Rd1 Ke4 Rh1 Kxd5 Kd7 Bc5 Rh4 Re5 Rh1 Bb4 Rd1+ Ke4
17  +25.73   75.6M    0:02.54  Ne5 Rf5 f4 Kc7 Rh1 Rxb4 Rc1+ Rc4 Nxc4 bxc4 Rxc4+ Kd6 Rb4 Rh5 f5 Bc7 Rb2 Rxf5 Rxb6+ Ke5 Rb1 Bd6 Rd1 Ke4 Re1+ Kxd5 Kd7 Rf4 Rg1 Rh4 Rg5+ Kd4 Rb5
16  +27.96   53.6M    0:01.83  Ne5 Rf5 f4 Kc7 Rh1 Rxb4 Rc1+ Rc4 Nxc4 bxc4 Rxc4+ Kd6 Rb4 Rf6 f5 Rh6 Rb2 Rh5 Rb5 Bc7
15  +25.70   38.0M    0:01.34  Ne5 Rf5 f4 Kc7 Rh1 Rxb4 Rc1+ Rc4 Nxc4 bxc4 Rxc4+ Kd6 Rb4 Rh5 Rb2 Rh8+ Kf7 Kxd5 f5
14  +23.06   26.8M    0:00.95  Ne5 Rf5 f4 Kc7 Rh1 Rxb4 Rc1+ Rc4 Nxc4 bxc4 Rxc4+ Kd6 Rb4 Rh5 f5 Rh8+ Kf7 Rh7+ Kg6 Rh3 Kg5 Rh8 Kg4
13  +42.57   15.3M    0:00.54  Nxb6+ Bxb6 Kxe7+ Kc7 d6+ Kc6 Kxf6 Kxd6 Rb8 Bd4+ Kf7 Rf3+ Kg6 Kxe6
12  +36.59   9.51M    0:00.34  Nxb6+ Bxb6 Kxe7+ Kc7 d6+ Kc6 Kxf6 Kxd6 Rb8
11  +25.51   7.08M    0:00.26  Ne5 Rf5 f4 Rb1 Rh3 Bc7 Kxe7 Rd1 Rh8+ Kb7 Rf8 Bd6+ Kxd6 Rxf8
10  +25.36   4.03M    0:00.15  Ne5 Rf5 f4 Rb1 Rh3 Bc7 Nc6 Bd6 Nxe7+ Bxe7 Kxe7 Rxd5 Rf3 Rf5 Kd6 Re1 Rc3+ Kb7
  9  +26.34   2.98M    0:00.12  Ne5 Rf5 f4 Rc3 Rh1 Rxf4 Nf7 Rxb4 Nxd8 Rc7 Nf7 Rbc4 Rd1
  8  +34.30   1.34M    0:00.06  Nd6+ exd6 e7 Bc7 Rf8 Rbf3 Rxf6 Rxf6 f4 Rg6 Kf7 Rg7+ Kxg7 Kd7
  7  +50.04   834613  0:00.04  Nd6+ Kc7 Nxb5+ Kc8 Na7+ Kc7
  6  +63.29   234292  0:00.01  Nxb6+ Bxb6 Kxe7+ Kb7 Kxf6 Rxb4
  5  +31.93   87896    0:00.00  Nxb6+ Bxb6 Kxe7+ Kc7 d6+ Kc6 Kxf6 Bd4+ Kf7
  4  +30.13   50270    0:00.00  Nxb6+ Bxb6 Kxe7+ Kc7 d6+ Kc6 Kxf6 Bd4+ Kg5 Kxd6
  3  +27.73   30742    0:00.00  Nxb6+ Kc7 Na8+ Kc8
  2  +27.73   16192    0:00.00  Nxb6+ Kc7 Na8+ Kc8
  1  +20.57   8975      0:00.00  Nxb6+ Kc7
  0  #
Parent - By MrKris (**) Date 2019-07-02 03:23 Edited 2019-07-02 06:38
You have #142, but it looks like #113 in the .pgn.

2kbK2R/4p3/1p2Pr2/1p1P4/1PN5/1r6/5P2/8 w - - 0 1

#113 - KomodoMCTS 13.02 found in 84 seconds on my antique CPU:
FEN: 2kbK2R/4p3/1p2Pr2/1p1P4/1PN5/1r6/5P2/8 w - - 0 1
AMD PhII X6 6-cores, Sy.6, 2Ghash

KomodoMCTS-13.02 c=0 :
 9/2  00:02   78  39  -1.38  1.Nxb6+ Kc7 2.Na8+
 10/3  00:04   137  34  -0.80  1.Ne5 Rf5 2.f4 Kc7
 11/5  00:06   241  40  -1.06  1.Ne5 Rf5 2.f4 Kc7 3.Rh1 Rxb4
 12/6  00:08   330  41  -1.24  1.Ne5 Rf5 2.f4 Kc7 3.Rh2 Rxf4
 12/7  00:10   435  43  -1.35  1.Ne5 Rf5 2.f4 Kc7 3.Rh2 Rxb4 4.Rc2+ Rc4
 13/8  00:12   502  41  -1.46  1.Ne5 Rf5 2.f4 Kc7 3.Rh2 Rxb4 4.Rc2+ Rc4 5.Nxc4
 ...     ...
 17/14  01:22   4k  46  +0.01  1.Ne5 Rf5 2.f4 Rc3 3.Rg8 Rh5 4.Nf7 Rxd5 5.Rg5
 17/14  01:24 << 4k  47  +0.01 >> 1.Nd6+! exd6 2.e7 Bc7 3.Rf8 Rff3 4.Rxf3 Rxf3

Stockfish_19070114 c=0/off  PV=4 : ... ...
---------------------------------------------------------------------------
 31/56  02:35   1,416,812k  9,141k  -16.11  1.Nd2 Rxb4 2.f4 Rfxf4 3.Rh3 Rf2 4.Rc3+ Bc7 5.Nb3 Rg4 6.Rc6 Rg5 7.d6 exd6 8.Nd4 Rf4 9.Nc2 b4 10.Ne3 b3 11.Nc4 Rg8+ 12.Ke7 Rg7+ 13.Ke8 Kb7 14.Na5+ bxa5 15.Rc1 d5 16.Rc3 a4 17.e7 Re4
 31/64  02:35   1,416,812k  9,141k  -10.26  1.Ne3 Rxf2 2.Ng4 Rd2 3.Rh5 Rbd3 4.d6 Rxd6 5.Rxb5 Rxe6 6.Rf5 Rd4 7.Nh2 Bc7 8.Nf3 Rxb4 9.Kf7 Rf4 10.Rxf4 Bxf4 11.Nd4 Bd6 12.Kg8 Kb7 13.Nb3 Bf4 14.Kf7 Rh6 15.Na1 Kc8 16.Nc2 Bd6 17.Na1 Rf6+ 18.Kg8 Re6 19.Kh7 Rh6+ 20.Kg7
 31/56  02:35   1,416,812k  9,141k  -6.77  1.Ne5 Rf5 2.f4 Re3 3.Rh1 Bc7 4.Kxe7 Rxf4 5.Nc6 Rd3 6.Rh5 Kb7 7.Kd7 Rc4 8.e7 Rxc6 9.e8Q Rd6+ 10.Ke7 Re3+ 11.Kf7 Rf6+ 12.Kxf6 Rxe8 13.Rh3 Kc8 14.Rd3 Kd7 15.Kg5 Re4 16.Kh5 Bd6 17.Kg5 Bxb4 18.Kf5 Re8 19.Rb3 Kd6 20.Kg4 Bc5 21.Rb1 b4
 31/44  02:35 << 1,416,812k  9,141k   0.00 >> 1.Nd6+! exd6 2.e7 Bc7 3.Rf8 Rbf3 4.Rf7 R6f5 5.Rf6 Bb8 6.Rf7
---------------------------------------------------------------------------

Stockfish_19070114 c=0/off :  ... ... ...
 37/61  06:05   2,536,478k  6,933k  -9.01?? 1.Ne5?? Rf5 2.f4 Re3 3.Rh1 Bc7 4.Rc1 Rxf4 5.Nc6 Rc4 6.Nxe7+ Kb7 7.Rd1 Rcc3 8.Nc6 Rxc6 9.dxc6+ Kxc6 10.Rc1+ Kb7 11.Ke7 Re4 12.Rd1 Kc6 13.Rc1+ Rc4 14.Re1 Bd6+ 15.Kf6 Rxb4 16.Re2 Kd5 17.Rf2 Re4 18.Kf7 Kc6 19.Rg2 Rf4+ 20.Kg6 b4 21.Rc2+ Kd5 22.Kg5 Kxe6
Parent - - By MrKris (**) Date 2019-07-02 08:01
Thanks dorszcz, I have been having fun!!

My .pgn has this as #142.

-Stockfish PV=6 finds it in 2 minutes (lower PV might work but I did not try any).

-KomodoMCTS PV=24 -fails- in 5 minutes because, as below, it did not correct its 5.Kxd7?? even though it had been 'looking at' 1.Qh6 from the beginning.

[Event "Rybkaforum.net"]
[Site "Alternative Chess Test"]
[Date "2019.07.02"]
[Round "?"]
[White "Stockfish_19070114 PV=6"]
[Black ""]
[Result "1/2-1/2"]
[Time "00:04:57"]
[TimeControl "0+300"]
[SetUp "1"]
[FEN "5n2/k6p/p1K1p1p1/1pP1P2Q/2p3R1/7b/q1PN3r/8 w - - 0 1"]
[Termination "normal"]
[PlyCount "23"]
[WhiteType "human"]
[BlackType "human"]

{#142} 1. Qh6 {Stockfish_19070114 PV=6 best @ 02:09, 28 plies, 0.00} Bg2+
2. Rxg2 Rxh6 3. Rf2 Nd7 4. Rf7 Kb8 (4. .. Ka8 5. Rxd7 {0.00 Stockfish
---KoMCTS's 5.Kxd7?? -14.89 Sf---}) 5. Rxd7 Qa5 6. Nb3 cxb3 7. cxb3 Kc8 8.
Ra7 Kd8 9. b4 Qxb4 10. Ra8+ Ke7 11. Ra7+ Ke8 12. Ra8+ 1/2-1/2
FEN: 5n2/k6p/p1K1p1p1/1pP1P2Q/2p3R1/7b/q1PN3r/8 w - - 0 1
AMD PhII X6 6-cores, Sy.6, 2G hash

KomodoMCTS-13.02  PV=24   ---------------------------------------------------------------------------
 20/26  04:58   16k  52  -250.00  1.c3 Qxd2
 20/26  04:58   16k  52  -250.00  1.Kc7 Qa5+
 20/26  04:58   16k  52  -28.45  1.Qf5 exf5
 20/26  04:58   16k  52  -39.49  1.Re4 gxh5 2.Nxc4
 20/26  04:58   16k  52  -25.83  1.Rd4 gxh5
 20/26  04:58   16k  52  -21.29  1.Nb1 gxh5
 20/26  04:58   16k  52  -32.55  1.Qxg6 hxg6
 20/26  04:58   16k  52  -25.76  1.Rg5 gxh5
 20/26  04:58   16k  52  -28.76  1.Rh4 gxh5
 20/26  04:58   16k  52  -24.35  1.Rg3 gxh5
 20/26  04:58   16k  52  -23.63  1.Rg1 gxh5
 20/26  04:58   16k  52  -20.24  1.Nb3 gxh5 2.Rg7+
 20/26  04:58   16k  52  -250.00  1.Rxc4 Rxd2 2.Qxh3
 20/26  04:58   16k  52  -29.38  1.Qxh7+ Nxh7 2.Rxg6
 20/26  04:58   16k  52  -21.27  1.Nf1 gxh5 2.Rg7+
 20/26  04:58   16k  52  -40.85  1.Nxc4 bxc4 2.Qxh7+ Nxh7
 20/26  04:58   16k  52  -15.88  1.Qxh3 Rxh3 2.Rf4
 20/26  04:58   16k  52  -10.43  1.Rxg6 hxg6 2.Qh7+
 20/26  04:58   16k  52  -6.96  1.Nf3 Qa4 2.Qxh7+
 20/26  04:58   16k  52  -5.61  1.Qh4 Rxd2 2.Qe7+ Nd7
 20/26  04:58   16k  52  ??  -4.52  1.Qh6 Bg2+ 2.Rxg2 Rxh6 3.Rf2 Nd7 4.Rf7 Ka8 5.Kxd7?? see Stockfish PV=6 5.Rxd7!!=
 20/26  04:58   16k  52  -3.59  1.Ne4 b4 2.Kd6 gxh5
 20/26  04:58   16k  52  -3.78  1.Rf4 Rxd2 2.Rf7+ Nd7 3.Qxh3 Qxc2 4.Qg2 Qd3 5.Rxh7
 20/26  05:00   16k  52  -3.17  1.Qg5 Rxd2 2.Qxd2 c3 3.Rf4 Bf5 4.Qd6 Qd5+ 5.Kc7 Qxd6+ 6.exd6 e5 7.Rf1 Ne6+ 8.Kc6 Be4+ 9.Kd7 Nxc5+ 10.Ke7 Bxc2 11.d7 Nxd7

Stockfish_19070114  PV=6 
...  ...  ...
---------------------------------------------------------------------------
 28/43  02:06   1,301,400k  10,271k  -62.55  1.Qh4 Rxd2 2.Qe7+ Nd7 3.Rg3 Qxc2 4.Re3 Qa4 5.Re2 b4+ 6.Kc7 Rxe2 7.c6 Bg2 8.Qxd7 Qxc6+ 9.Qxc6 Bxc6 10.Kd6 Bd5 11.Kc5 Rxe5 12.Kxb4 Re1 13.Kc3 Rd1 14.Kc2 Rd3
 28/43  02:06   1,301,400k  10,271k  -56.93  1.Ne4 b4
 28/51  02:06   1,301,400k  10,271k  -53.43  1.Nb3 gxh5 2.Rg7+ Kb8 3.Re7 Ng6 4.Rb7+ Kc8 5.Rc7+ Kd8 6.Rd7+ Ke8 7.Kc7 Nxe5 8.c6 cxb3 9.c4 b2 10.c5 b1Q 11.Rd8+ Ke7 12.Kb7 Qe4 13.Rc8 Qa5 14.Ka7 Nxc6+ 15.Ka8 Kf7 16.Rc7+ Kg6 17.Rc8 Nd8+ 18.c6
 28/49  02:06   1,301,400k  10,271k  -10.24  1.Rf4 Nd7 2.Rf7 Rxd2 3.Qe2 Qa5 4.Rxd7+ Rxd7 5.Kxd7 Kb8 6.Ke8 Qc7 7.c3 Bf5 8.Qd2 Qxc5 9.Kf7 Qxe5 10.Qh6 g5 11.Qh1 g4 12.Qg1 Kb7 13.Qg2+ Qd5 14.Qg1 h5 15.Qe1 Qd7+ 16.Kf6 Qd8+ 17.Ke5 Qc7+ 18.Kd4 Qf4+ 19.Kc5 g3 20.Kb4 h4 21.Qh1+ Be4
 28/56  02:06   1,301,400k  10,271k  -4.04  1.Qg5 Rxd2 2.Qxd2 c3 3.Rf4 Bf5 4.Qd6 Qd5+ 5.Kc7 Qxd6+ 6.Kxd6 g5 7.Rxf5 exf5 8.e6 Ng6 9.e7 Nxe7 10.Kxe7 b4 11.c6 b3 12.c7 b2 13.c8Q b1Q 14.Ke6 f4 15.Qxc3 h6 16.Kf5 Qb5+ 17.Kg4 Qe2+ 18.Kf5 Kb6 19.Qf6+ Kb5
 28/24  02:06   1,301,400k  10,271k   0.00  1.Qh6 Bg2+ 2.Rxg2 Rxh6 3.Rf2 Nd7 4.Rf7 Kb8 5.Rxd7 Qa5 6.Nb3 cxb3 7.cxb3 Kc8 8.Ra7 Kd8 9.b4 Qxb4 10.Ra8+ Ke7 11.Ra7+ Ke8 12.Ra8+
---------------------------------------------------------------------------
same at 35 4:58 0.00 1.Qh6 Bg2+ 2.Rxg2 Rxh6 3.Rf2 Nd7 4.Rf7 Kb8 5.Rxd7 Qa5 6.Nb3 cxb3 7.cxb3 Kc8 8.Ra7 Kd8 9.b4 Qxb4 10.Ra8+ Ke7 11.Ra7+ Ke8 12.Ra8+

Parent - By dorszcz (**) Date 2019-07-02 14:44 Upvotes 1
Yes, these numbers in EPD and PGN are correct. It's just a wrong number in McBrain post.

I'm glad you like it. There will be another test in future with similar positions.
Parent - - By McBrain (*) Date 2019-06-12 02:01 Edited 2019-06-12 02:17
It looks like #44 was not solve by any engine I popped it to latest dev-McCain just for kicks.  McCain now uses Lc0 like scoring as the default, but the user can change to centipawn if he prefers.
12 Cores/23 Threads 8192 hash. 100 means 100% win, a score of 50 is drawish, 0 means lost

8/5P1p/8/7p/7q/pK2Q3/1p4B1/k7 w - - 0 1

dep  score  nodes  time  (not shown:  tbhits  knps  seldep)
68    #33   769.3M  0:27.72  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Ke3 Qe4+ Kf2 Qe2+ Kg3 Qe3 Qg4 Bxg4+ Kxg4 Qe6+ Kg3 Qg6+ Kf4 Qxh5 h3 Qxh3 Kg5 Kb3 Kg6 Qg4+ 
67    #33   700.4M  0:25.42  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Ke3 Qe4+ Kf2 Qe2+ Kg3 Qe3 Qg4 Bxg4+ Kxg4 Qe6+ Kg3 Qg6+ Kf4 Qxh5 h3 Qxh3 Kg5 Kb3 Kg6 Qg4+ 
66    #33   656.3M  0:23.92  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Ke3 Qe4+ Kf2 Qe2+ Kg3 Qe3 Qg4 Bxg4+ Kxg4 Qe6+ Kg3 Qg6+ Kf4 Qxh5 h3 Qxh3 Kg5 Kb3 Kg6 Qg4+ 
65    #33   642.1M  0:23.43  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Ke3 Qe4+ Kf2 Qe2+ Kg3 Qe3 Qg4 Bxg4+ Kxg4 Qe6+ Kg3 Qg6+ Kf4 Qxh5 h3 Qxh3 Kg5 Kb3 Kg6 Qg4+ 
64    #33   576.0M  0:21.13  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Ke3 Qe4+ Kf2 Qe2+ Kg3 Qe3 Qg4 Bxg4+ Kxg4 Qe6+ Kg3 Qg6+ Kf4 Qxh5 h3 Qxh3 Kg5 Kb3 Kg6 Qg4+ 
63    #33   551.8M  0:20.28  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Ke3 Qe4+ Kf2 Qe2+ Kg3 Qe3 Qg4 Bxg4+ Kxg4 Qe6+ Kg3 Qg6+ Kf4 Qxh5 h3 Qxh3 Kg5 Kb3 Kg6 Qg4+ 
62    #33   549.1M  0:20.18  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Ke3 Qe4+ Kf2 Qe2+ Kg3 Qe3 Qg4 Bxg4+ Kxg4 Qe6+ Kg3 Qg6+ Kf4 Qxh5 h3 Qxh3 Kg5 Kb3 Kg6 Qg4+ 
61    #33   548.9M  0:20.17  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Ke3 Qe4+ Kf2 Qe2+ Kg3 Qe3 Qg4 Bxg4+ Kxg4 Qe6+ Kg3 Qg6+ Kf4 Qxh5 h3 Qxh3 Kg5 Kb3 Kg6 Qg4+ 
60    #33   548.8M  0:20.17  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Ke3 Qe4+ Kf2 Qe2+ Kg3 Qe3 Qg4 Bxg4+ Kxg4 Qe6+ Kg3 Qg6+ Kf4 Qxh5 h3 Qxh3 Kg5 Kb3 Kg6 Qg4+ 
59  +100.00   548.6M  0:20.16  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Ke3 Qe4+ Kf2 Qe2+ Kg3 Qe3 Qg4 Bxg4+ Kxg4
58  +100.00   318.4M  0:12.33  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Ke3 Qe4+ Kf2 Qe2+ Kg1 Qe3+ Kf1 Be2+ Kg2 Bf1+ Kxf1
57  +100.00   308.0M  0:11.94  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Ke3 Qe4+ Kf2 Qe2+ Kg1 Qe3+ Kf1 Be2+ Kg2 Bf1+ Kxf1
56  +100.00   295.5M  0:11.48  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Ke3 Qe4+ Kf2 Qe2+ Kg1 Qe3+ Kf1 Be2+ Kg2 Bf1+ Kxf1
55  +100.00   281.9M  0:10.99  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Ke3 Qe4+ Kf2 Qe2+ Kg1 Qe3+ Kf1 Be2+ Kg2 Bf1+ Kxf1
54  +100.00   272.2M  0:10.63  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Ke3 Qe4+ Kf2 Qe2+ Kg1 Qe3+ Kf1 Be2+ Kg2 Bf1+ Kxf1
53  +100.00   270.6M  0:10.57  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Ke3 Qe4+ Kf2 Qe2+ Kg1 Qe3+ Kf1 Be2+ Kg2 Bf1+ Kxf1
52  +100.00   270.0M  0:10.54  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Ke3 Qe4+ Kf2 Qe2+ Kg1 Qe3+ Kf1 Be2+ Kg2 Bf1+ Kxf1
51  +100.00   269.6M  0:10.53  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Kc3 Qe5+ Kc4 Qe4+ Kb5 Qc6+ Ka5 Qc3+ Kb6 Kb4 Qg4+ Bxg4 hxg4
50  +100.00   241.5M  0:09.55  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Kc3 Qe5+ Kc4 Qe4+ Kb5 Qc6+ Ka5 Qc3+ Kb6 Kb4 Qg4+ Bxg4 hxg4
49  +100.00   234.2M  0:09.27  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Kc3 Qe5+ Kc4 Qe4+ Kb5 Qc6+ Ka5 Qc3+ Kb6 Kb4 Qg4+ Bxg4 hxg4
48  +100.00   228.9M  0:09.07  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Kc3 Qe5+ Kc4 Qe4+ Kb5 Qc6+ Ka5 Qc3+ Kb6 Kb4 Qg4+ Bxg4 hxg4
47  +100.00   228.3M  0:09.05  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Kc3 Qe5+ Kc4 Qe4+ Kb5 Qc6+ Ka5 Qc3+ Kb6 Kb4 Qg4+ Bxg4 hxg4
46  +100.00   228.0M  0:09.04  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Kc3 Qe5+ Kc4 Qe4+ Kb5 Qc6+ Ka5 Qc3+ Kb6 Kb4 Qg4+ Bxg4 hxg4
45  +100.00   224.5M  0:08.90  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Kc3 Qe5+ Kc4 Qe4+ Kb5 Qc6+ Ka5 Qc3+ Kb6 Kb4 Qg4+ Bxg4 hxg4
44  +100.00   223.6M  0:08.87  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Kc3 Qe5+ Kc4 Qe4+ Kb5 Qc6+ Ka5 Qc3+ Kb6 Kb4 Qg4+ Bxg4 hxg4
43  +100.00   222.1M  0:08.81  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Kc3 Qe5+ Kc4 Qe4+ Kb5 Qc6+ Ka5 Qc3+ Kb6 Kb4 Qg4+ Bxg4 hxg4
42  +100.00   222.1M  0:08.81  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Kc3 Qe5+ Kc4 Qe4+ Kb5 Qc6+ Ka5 Qc3+ Kb6 Kb4 Qg4+ Bxg4 hxg4
41  +100.00   222.0M  0:08.81  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Kc3 Qe5+ Kc4 Qe4+ Kb5 Qc6+ Ka5 Qc3+ Kb6 Kb4 Qg4+ Bxg4 hxg4
40  +100.00   222.0M  0:08.81  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Kc3 Qe5+ Kc4 Qe4+ Kb5 Qc6+ Ka5 Qc3+ Kb6 Kb4 Qg4+ Bxg4 hxg4
39  +100.00   205.9M  0:08.20  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Kc3 Qc6+ Kd2 Kb2 Ke1 Qe4+ Kf1 Qe2+ Kg1 Qe3+ Kf1 Be2+ Kg2 Bf1+ Kxf1
38  +100.00   203.5M  0:08.11  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Kc3 Qc6+ Kd2 Kb2 Ke1 Qe4+ Kf1 Qe2+ Kg1 Qe3+ Kf1 Be2+ Kg2 Bf1+ Kxf1
37  +100.00   202.9M  0:08.09  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Kc3 Qc6+ Kd2 Kb2 Ke1 Qe4+ Kf1 Qe2+ Kg1 Qe3+ Kf1 Be2+ Kg2 Bf1+ Kxf1
36  +100.00   202.4M  0:08.07  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Kc3 Qc6+ Kd2 Kb2 Ke1 Qe4+ Kf1 Qe2+ Kg1 Qe3+ Kf1 Be2+ Kg2 Bf1+ Kxf1
35  +100.00   201.2M  0:08.01  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Kc3 Qc6+ Kd2 Kb2 Ke1 Qe4+ Kf1 Qe2+ Kg1 Qe3+ Kf1 Be2+ Kg2 Bf1+ Kxf1
34  +100.00   199.8M  0:07.96  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Kc3 Qc6+ Kd2 Kb2 Ke1 Qe4+ Kf1 Qe2+ Kg1 Qe3+ Kf1 Be2+ Kg2 Bf1+ Kxf1
33  +100.00   199.6M  0:07.95  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Kc3 Qc6+ Kd2 Kb2 Ke1 Qe4+ Kf1 Qe2+ Kg1 Qe3+ Kf1 Be2+ Kg2 Bf1+ Kxf1
32  +100.00   199.5M  0:07.95  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Kc3 Qc6+ Kd2 Kb2 Ke1 Qe4+ Kf1 Qe2+ Kg1 Qe3+ Kf1 Be2+ Kg2 Bf1+ Kxf1
31  +100.00   199.4M  0:07.94  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Kc3 Qc6+ Kd2 Kb2 Ke1 Qe4+ Kf1 Qe2+ Kg1 Qe3+ Kf1 Be2+ Kg2 Bf1+ Kxf1
30  +100.00   198.0M  0:07.88  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Kc3 Qc6+ Kd2 Kb2 Ke1 Qe4+ Kf1 Qe2+ Kg1 Qe3+ Kf1 Be2+ Kg2 Bf1+ Kxf1
29  +100.00   197.7M  0:07.87  Qg1+ b1=R+ Qxb1+ Kxb1 f8=Q Qg3+ Bf3 h4 Qf5+ Ka1 Qf6+ Kb1 Qf8 h6 Qf5+ Ka1 Qf6+ Kb1 Qf8 h5 Qf5+ Ka1 Qf6+ Kb1 Qf8 Qh3 Kxa3 Kc2 Qc5+ Kd3 Qd5+ Kc3 Qc6+ Kd2 Kb2 Ke1 Qe4+ Kf1 Qe2+ Kg1 Qe3+ Kf1 Be2+ Kg2 Bf1+ Kxf1
28  +100.00!  197.6M  0:07.87  Qg1+!
28  +99.61!  197.6M  0:07.87  Qg1+!
28  +97.08!  197.6M  0:07.87  Qg1+!
28  +93.55!  197.6M  0:07.87  Qg1+!
28  +73.02!  197.6M  0:07.87  Qg1+!
28  +67.86!  193.9M  0:07.72  Qg1+!
28  +63.52!  186.9M  0:07.42  Qg1+!
28  +60.02!  186.2M  0:07.39  Qg1+!
28  +57.27?  172.3M  0:06.86  Be4 a2?
28  +60.77!  170.6M  0:06.80  Be4!
28  +58.75!  167.8M  0:06.69  Be4!
28  +57.91?  167.3M  0:06.67  Be4 a2?
27  +58.56   165.0M  0:06.59  Be4 a2 Qc3 Qh3 Qxh3 b1=Q+ Kc3 Qe1+ Kd3 Qd1+ Kc4 Qa4+ Kd5 Qb5+ Kd6 Qb4+ Kc7 Qc4+ Kd8 Qd4+ Qd7 Qb6+ Kc8 Qc5+ Qc6 Qxc6+ Bxc6 Kb2 f8=Q a1=Q Qf6+ Kb1 Qf1+ Kb2 Qb5+ Kc1 Qg5+ Kb2 Qd2+ Ka3 Qd6+ Kb3 Qb8+ Ka3 Qa7+ Kb2 Qd4+ Ka2 Bd5+ Kb1 
27  +57.67?  152.2M  0:06.12  Be4 a2?
27  +65.11!  143.4M  0:05.78  Be4!
27  +60.81!  142.2M  0:05.74  Be4!
27  +59.67?  141.1M  0:05.69  Be4 a2?
27  +61.09?  126.2M  0:05.10  Be4 a2?
27  +62.06?  126.0M  0:05.09  Be4 a2?
27  +62.68?  125.5M  0:05.08  Be4 a2?
26  +63.29   125.0M  0:05.05  Be4 a2 Qc3 Qh3 Qxh3 b1=Q+ Ka3 Qb2+ Ka4 Qd4+ Kb3 Qd1+ Kc4 Qa4+ Kd5 Qa5+ Kd6 Qb4+ Kc7 Qc4+ Kd8 Qd4+ Qd7 Qb6+ Kc8 Qc5+ Qc6 Qxc6+ Bxc6 Kb2 f8=Q a1=Q Qf6+ Kb1 Be4+ Ka2 Bd5+ Kb1 Qf1+ Kb2 Qg2+ Kc1 Qg1+ Kb2 Qd4+ Kb1 Qd3+ Kc1 Qe3+ Kb2 
26  +71.34?  93.3M    0:03.79  Be4 a2?
26  +82.50?  91.1M    0:03.71  Be4 a2?
26  +88.65?  90.6M    0:03.69  Be4 a2?
26  +92.08?  87.3M    0:03.56  Be4 a2?
26  +94.08?  87.2M    0:03.55  Be4 a2?
26  +95.30?  86.1M    0:03.51  Be4 a2?
26  +96.08?  85.7M    0:03.49  Be4 a2?
26  +96.59?  85.6M    0:03.49  Be4 a2?
26  +96.94?  85.6M    0:03.49  Be4 a2?
26  +97.17?  85.5M    0:03.49  Be4 a2?
26  +97.33?  85.5M    0:03.49  Be4 a2?
26  +97.43?  84.8M    0:03.46  Be4 a2?
26  +98.09!  74.6M    0:03.06  Be4!
25  +97.50   71.1M    0:02.93  Be4 a2 Qc3 Qh3 Qxh3 b1=Q+ Ka3 Qb2+ Ka4 Qd4+ Kb3 Qb6+ Kc4 Qa6+ Kc5 Qa5+ Kc6 Qa4+ Kc7 Qa5+ Kd7 Qa7+ Kd6 Qb6+ Bc6 Qd8+ Kc5 Qe7+ Kb6 Qb4+ Ka6 Kb1 Qh1+ Kb2 Qg2+ Ka3 Qg7 Kb3 Bd5+ Kc2 Qg2+ Kd3 Qf3+ Kc2 Qf2+ Kd3 Bxa2 Qd6+ Ka5 Qe5+ Ka
24  +91.69   54.6M    0:02.31  Be4 a2 Qc3 Qh3 Qxh3 b1=Q+ Ka3 Qb2+ Ka4 Qd4+ Kb3 Qd1+ Kc4 Qa4+ Kd5 Qa5+ Kd6 Qb6+ Bc6 Qd8+ Kc5 Qe7+ Kb6 Qb4+ Ka6 Kb1 Qh1+ Kb2 Qg2+ Ka3 Qg7 Kb3 Bd5+ Ka4 Qe5 Qb5+ Ka7 Qd7+ Kb6 Qd8+ Kc5 Qf8+ Kc4 Qb4+ Kd3 Qb1+ Kd2 Qb4+ Ke2 Qb5+ Ke3
23  +91.45   29.3M    0:01.27  Be4 a2 Qc3 Qh3 Qxh3 b1=Q+ Ka3 Qb2+ Ka4 Qd4+ Kb3 Qb6+ Kc4 Qa6+ Kc5 Qa5+ Kc6 Qa4+ Kc7 Qa7+ Kd6 Qb6+ Bc6 Qb4+ Kd7 Qd4+ Kc8 Qc5 Kb7 Qe7+ Ka6 Kb2 Qg2+ Ka3 Qf1 Kb2 Qf2+ Kb1 Qg1+ Kc2 Qg2+ Kd1 Qxa2 Qf6 Qd5+ Ke1
22  +81.87   25.8M    0:01.13  Be4 a2 Qc3 Qh3 Qxh3 b1=Q+ Ka3 Qb2+ Ka4 Qd4+ Kb3 Qd1+ Kc4 Qa4+ Kc5 Qa5+ Kc6 Qa4+ Kd6 Qb4+ Kc7 Qa5+ Kd7 Qa4+ Bc6 Qd4+ Kc8 Qc5 Kc7 Qe7+ Kb6 Qb4+ Ka6 Kb2 Qh2+ Ka3 Qg3+ Kb2 Qg7+ Qc3 f8=Q a1=Q+ Kb7 Qa5
21  +73.12   17.5M    0:00.80  Be4 a2 Qc3 Qh3 Qxh3 b1=Q+ Ka3 Qb2+ Ka4 Qd4+ Kb3 Qd1+ Kc4 Qa4+ Kd5 Qa8+ Kc5 Qa5+ Kd6 Qb4+ Kc7 Qe7+ Qd7 Qc5+ Qc6 Qe7+ Kc8 Qf8+ Qe8 Qc5+ Bc6 Kb2 f8=Q Qxf8 Qxf8 a1=Q Qg7+ Ka2
20  +63.75   12.5M    0:00.58  Be4 a2 Qc3 Qh3 Qxh3 b1=Q+ Kc3 Qe1+ Kd4 Qb4+ Kd5 Qb5+ Kd6 Qb8+ Kd7 Qa7+ Ke6 Qb6+ Ke5 Qb8+ Kf6 Kb2 Qg2+ Ka3 Qf1 Qh8+ Kf5 a1=Q Qxa1+ Qxa1 f8=Q+ Kb3 Qf7+ Kb4 Qb7+ Kc5 Qc6+ Kb4 Qd6+ Kb3
19  +65.14   10.9M    0:00.51  Be4 a2 Qc3 Qh3 Qxh3 b1=Q+ Kc3 Qe1+ Kd3 Qd1+ Kc4 Qa4+ Kc5 Qa7+ Kd6 Qb8+ Kc6 Qa8+ Kc7 Qa5+ Kd7 Qa7+ Ke6 Qb6+ Ke5 Qb8+ Kf6 Kb2 Qg2+ Ka3 Qf1 Qh8+ Ke6 a1=Q f8=Q+ Qxf8 Qxf8+ Kb3
18  +70.56   7.29M    0:00.36  Be4 a2 Qc3 Qh3 Qxh3 b1=Q+ Kc3 Qe1+ Kd4 Qb4+ Ke5 Qb8+ Kf6 Qh8+ Ke7 Qe5+ Qe6 Qxe6+ Kxe6 Kb2 f8=Q a1=Q Qb4+ Kc1 Qc5+ Kb2 Qd4+ Ka2 Bd5+ Kb1 Qd1+ Kb2 Qd2+ Ka3 Kf7
17  +70.56   6.51M    0:00.33  Be4 a2 Qc3 Qh3 Qxh3 b1=Q+ Kc3 Qe1+ Kd4 Qb4+ Ke5 Qb8+ Kf6 Qh8+ Ke7 Qe5+ Qe6 Qxe6+ Kxe6 Kb2 f8=Q a1=Q Qb4+ Kc1 Qc5+ Kb2 Qd4+ Ka2 Bd5+ Kb1 Qd1+ Kb2 Qd2+ Ka3 Kf7 Qf1+ Ke7 Qa1
16  +76.32   3.08M    0:00.19  Be4 a2 Qc3 Qh3 Qxh3 b1=Q+ Kc3 Qe1+ Kd4 Qb4+ Ke5 Qb8+ Kf6 Kb2 Qg2+ Ka3 Qf1 Qh8+ Kg5 a1=Q f8=B+ Qxf8 Qxf8+ Kb3 Bd5+ Kc2 Qf2+ Kd3 Qf5+ Kd2 Qf4+ Kc2
15  +71.13   2.83M    0:00.18  Be4 a2 Qc3 Qh3 Qxh3 b1=Q+ Kc3 Qe1+ Kd4 Qb4+ Ke5 Qb8+ Kf6 Qh8+ Ke7 Qe5+ Qe6 Qxe6+ Kxe6 Kb2 f8=Q a1=Q Qb4+ Kc1 Qc5+ Kb2 Qe5+ Ka2 Bd5+ Kb1 Qe1+ Kb2 Qd2+ Ka3 Kf7
14  +70.59   2.00M    0:00.15  Be4 a2 Qc3 Qh3 Qxh3 b1=Q+ Ka3 Qb2+ Ka4 Qd4+ Kb3 Qb6+ Kc4 Qc7+ Kd4 Qa7+ Ke5 Qb8+ Kf6 Qb2+ Kf5 Qf2+ Qf3 Qxf3+ Bxf3 Kb1 f8=Q
13  +71.64   793451  0:00.10  Be4 a2 Qc3 Qh3 Qxh3 b1=Q+ Kc3 Qe1+ Kd3 Qd1+ Kc4 Qa4+ Kc5 Qa5+ Kd6 Qb4+ Ke5 Qb8+ Kf6 Qh8+ Ke7 Qe5+ Qe6 Qxe6+ Kxe6
12  +98.57   264053  0:00.06  Be4 a2 Qc3 Qh3 Bd3 Qe6+ Kc2 Qc6 Qxc6 b1=Q+ Kd2
11  +87.69   247555  0:00.06  Be4 a2 Qc3 Qh3 Qxh3 b1=Q+ Kc3 Qe1+ Kd3 Qb4 Qc8 Kb2 f8=Q Qb3+ Ke2
10  +99.99   96164    0:00.04  Be4 a2 Qc3 Qf2 f8=Q Qb6+ Kc2 Qb5 Bd3 Qa4+ Kd2 Qd1+ Kxd1 h4
  9  +98.89   61288    0:00.02  Be4 a2 Qc3 Qh2 f8=Q Qe2 Bxh7 Qb5+ Ka3 Qa6+ Kb4 Qb6+ Kc4 Qg1
  8  +98.91   46326    0:00.01  Be4 a2 Qc3 Qh2 f8=Q Qe2 Bxh7 Qd1+ Kb4
  7  +98.93   44335    0:00.01  Be4 a2 Qc3 Qh2 f8=Q Qe2 Bxh7 h4
  6  +99.91   40629    0:00.01  Be4 b1=Q+ Bxb1 Qc4+ Kxc4 a2
  5  +98.83   28317    0:00.00  Be4 a2 Qc3 Qf2 f8=Q
  4  +98.88   14611    0:00.00  Kxa3 h6 f8=Q b1=N+ Kb3
  3  +99.24   10667    0:00.00  Qc3 h6 f8=Q
  2  +91.55   5767      0:00.00  Be4 b1=R+ Bxb1
  1  +74.33   3642      0:00.00  Be4
  0  #
Parent - By MrKris (**) Date 2019-07-02 06:29
#44 I had Stockfish finding a tablebase win in 3 seconds, #34 at 45 seconds, #32 at 2 minutes 45 seconds.

And KomodoMCTS 13.02 finding the winning move at 4 seconds but never a TB win and never a mate.
FEN: 8/5P1p/8/7p/7q/pK2Q3/1p4B1/k7 w - - 0 1
AMD PhII X6 6-cores, Sy.6, 2G hash

Stockfish_19070114: Found 510 tablebases
 1/1  00:00   367  122k  +4.29  1.Be4
 2/4  00:00   727  242k  +13.62  1.Qc3 h6 2.f8Q
 3/3  00:00   941  314k  +13.62  1.Qc3 h6 2.f8Q
 4/6  00:00   2k  642k  +13.03  1.Kxa3 Qf2 2.Qxf2 b1N+ 3.Kb3
 5/6  00:00   2k  793k  +13.49  1.Kxa3 Qf2 2.Qxf2
 6/8  00:00   4k  935k  +11.09  1.Kxa3 Qg4 2.Qc3 Qxg2 3.f8Q h4
 7/10  00:00   9k  1,886k  +10.93  1.Be4 b1Q+ 2.Bxb1 Kxb1 3.f8Q
...
 24/57  00:02   18,781k  6,703k  +0.87  1.Be4 a2 2.Qc3 Qh3 3.Qxh3 b1Q+ 4.Kc3 Qe1+ 5.Kd3 Qd1+ 6.Kc4 Qa4+ 7.Kd5 Qa5+ 8.Ke6 Qb6+ 9.Ke5 Qb8+ 10.Kf6 Kb2 11.Qg2+ Ka3 12.Qf1 Qh8+ 13.Ke6 a1Q 14.f8B+ Qxf8 15.Qxa1+ Kb4 16.Qb2+ Ka5 17.Qa2+ Kb4 18.Qd2+ Kc5 19.Qc3+ Kb6 20.Qc6+ Ka5 21.Kd5 Qb8 22.Qc3+ Qb4 23.Qc7+ Qb6
 25/73+  00:03 << 20,468k  6,680k << +0.97  1.Qg1+! 
...
>> 27/46+ >> 00:03 >> 22,405k  6,704k >> +148.85  1.Qg1+!  <<<<<<<<<<<<<<<<<<<<<<
...   ...
 67/154  00:45   379,693k  8,314k >>+M34<<  1.Qg1+ b1Q+ 2.Qxb1+ Kxb1 3.f8Q Qg3+ 4.Bf3 h4 5.Qf5+ Ka1 6.Qf6+ Kb1 7.Qf8 h6 8.Qf5+ Ka1 9.Qf6+ Kb1 10.Qf8 h5 11.Qf5+ Ka1 12.Qf6+ Kb1 13.Qf8 Qh3 14.Kxa3 Kc2 15.Qc5+ Kd3 16.Qd5+ Ke3 17.Qe4+ Kf2 18.Qe2+ Kg3 19.Qe3 Qg4 20.Be4+ Kh2 21.Qf2+ Kh3 22.Bf5 Qxf5 23.Qxf5+ Kg2 24.Qg5+ Kf2 25.Qxh4+ Kf3 26.Qxh5+ Kg3 27.Kb3 Kf4 28.Kc2 Kg3 29.Kd2 Kf4 30.Kd3 Kg3 31.Ke3 Kg2 32.Qg4+ Kf1 33.Qg5 Ke1 34.Qg1+
...   ... 
 73/68  02:45   1,521,380k  9,198k  >>+M32<<  1.Qg1+ b1Q+ 2.Qxb1+ Kxb1 3.f8Q Qg3+ 4.Bf3 h4 5.Qf5+ Ka1 6.Qf6+ Kb1 7.Qf8 h6 8.Qf5+ Ka1 9.Qf6+ Kb1 10.Qf8 h5 11.Qf5+ Ka1 12.Qf6+ Kb1 13.Qf8 Qh3 14.Kxa3 Kc2 15.Qc5+ Kd3 16.Qd5+ Ke3 17.Qe4+ Kf2 18.Qe2+ Kg3 19.Qe3 Qg4 20.Bxg4+ Kxg4 21.Qe5 h3 22.Kb2 Kf3 23.Qxh5+ Kg3 24.Kc3 Kf4 25.Qxh3 Ke5 26.Qh5+ Kd6 27.Kd4 Kd7 28.Kd5 Kc7 29.Kc5 Kc8 30.Qf7 Kb8 31.Kc6 Ka8 32.Qb7+

KomodoMCTS-13.02 c=0 :
 9/3  00:02   107  53  +6.59  1.Be4 a2 2.Qc3
>> 14/12  00:04 <<  780  194 >> +36.61 << 1.Qg1+! b1Q+ 2.Qxb1+ Kxb1 3.f8Q Kc1 4.Qh6+ Kb1 5.Qxh7+ Ka1
...   ...   ...
 22/24  08:04   37k  76  +44.89  1.Qg1+ b1Q+ 2.Qxb1+ Kxb1 3.f8Q Kc1 4.Qc5+ Kd2 5.Bf3 a2 6.Qc3+
Parent - By McBrain (*) Date 2019-06-12 02:20
#59 by dev-McCain - default settings
n3N1k1/8/3Kp3/8/8/3B1N2/n7/8 w - -


dep  score  nodes  time  (not shown:  tbhits  knps  seldep)
58  +100.00   4.35G  3:11.27  Ng5 Nb6 Bh7+ Kh8 Kxe6 Nb4 Kf7 Nc6 Bf5 Nd4 Bg4 Nc6 Kf8 Ne5 Bf5 Nbc4 Nf6 Nd6 Bc2 Ndc4 Bb1 Nd2 Bf5 Ndc4 Ng4 Nb6 Nxe5 Nd7+ Kf7 Nxe5+
57  +100.00   3.65G  2:42.41  Ng5 Nb6 Bh7+ Kh8 Kxe6 Nb4 Kf7 Nc6 Bf5 Nd4 Bg4 Nc6 Kf8 Ne5 Bf5 Ned7+ Ke7 Nc5 Kf7 Nbd7 Nf3 Nb6 Ne5 Nd5 Kf8 Ne6+ Bxe6 Kh7 Bxd5 Kh6 Ng6 Kg5 Be6 Kxg6
56  +100.00   2.53G  1:54.68  Ng5 Nb6 Bh7+ Kh8 Kxe6 Nb4 Kf7 Nc6 Bf5 Nd4 Bg4 Nc6 Kf8 Ne5 Bf5 Ned7+ Ke7 Nc5 Kf7 Nbd7 Nf3 Nb6 Ne5 Nd5 Kf8 Ne6+ Bxe6 Kh7 Bxd5 Kh6 Ng6 Kg5 Be6 Kxg6
55  +100.00   1.89G  1:27.14  Ng5 Nb6 Bh7+ Kh8 Kxe6 Nb4 Kf7 Nc6 Bf5 Nd4 Bg4 Nc6 Kf8 Ne5 Bf5 Ned7+ Ke7 Nc5 Kf7 Nbd7 Nf3 Nb6 Ne5 Nd5 Kf8 Ne6+ Bxe6 Kh7 Bxd5 Kh6
54  +100.00   1.38G  1:04.70  Ng5 Nb6 Bh7+ Kh8 Kxe6 Nb4 Kf7 Nc6 Bf5 Nd4 Bg4 Nc6 Kf8 Ne5 Bf5 Ned7+ Ke7 Nc5 Kf7 Nbd7 Nf3 Nb6 Ne5 Nd5 Kf8 Ne6+ Bxe6 Kh7 Bxd5 Kh6
53  +100.00   1.38G  1:04.68  Ng5 Nb6 Bh7+ Kh8 Kxe6 Nb4 Kf7 Nc6 Bf5 Nd4 Bg4 Nc6 Kf8 Ne5 Bf5 Ned7+ Ke7 Nc5 Kf7 Nbd7 Nf3 Nb6 Ne5 Nd5 Kf8 Ne6+ Bxe6 Kh7 Bxd5 Kh6
52  +100.00   1.38G  1:04.67  Ng5 Nb6 Bh7+ Kh8 Kxe6 Nb4 Kf7 Nc6 Bf5 Nd4 Bg4 Nc6 Kf8 Ne5 Bf5 Ned7+ Ke7 Nc5 Kf7 Nbd7 Nf3 Nb6 Ne5 Nd5 Kf8 Ne6+ Bxe6 Kh7 Bxd5 Kh6
51  +100.00   1.15G  0:54.65  Ng5 Nb6 Bh7+ Kh8 Kxe6 Nb4 Kf7 Nc6 Bf5 Nd4 Bg4 Nc6 Kf8 Ne5 Bf5 Ned7+ Ke7 Nc5 Kf7 Nbd7 Nf3 Nb6 Ne5 Nd5 Kf8 Ne6+ Bxe6 Kh7 Bxd5 Kh6
50  +100.00   973.7M  0:46.87  Ng5 Nb6 Bh7+ Kh8 Kxe6 Nb4 Kf7 Nc6 Bf5 Nd4 Bg4 Nc6 Kf8 Ne5 Bf5 Ned7+ Ke7 Nc5 Kf7 Nbd7 Nf3 Nb6 Ne5 Nd5 Kf8 Ne6+ Bxe6 Kh7 Bxd5 Kh6
49  +100.00   934.6M  0:45.13  Ng5 Nb6 Bh7+ Kh8 Kxe6 Nb4 Kf7 Nc6 Bf5 Nd4 Bg4 Nc6 Kf8 Ne5 Bf5 Ned7+ Ke7 Nc5 Kf7 Nbd7 Nf3 Nb6 Ne5 Nd5 Kf8 Ne6+ Bxe6 Kh7 Bxd5 Kh6
48  +100.00   934.6M  0:45.12  Ng5 Nb6 Bh7+ Kh8 Kxe6 Nb4 Kf7 Nc6 Bf5 Nd4 Bg4 Nc6 Kf8 Ne5 Bf5 Ned7+ Ke7 Nc5 Kf7 Nbd7 Nf3 Nb6 Ne5 Nd5 Kf8 Ne6+ Bxe6 Kh7 Bxd5 Kh6
47  +100.00   934.5M  0:45.12  Ng5 Nb6 Bh7+ Kh8 Kxe6 Nb4 Kf7 Nc6 Bf5 Nd4 Bg4 Nc6 Kf8 Ne5 Bf5 Ned7+ Ke7 Nb8 Kf7 N8d7 Nf3 Nc5 Ne5 Nb7 Kf8 Nd8 Nf7+ Nxf7
46  +100.00   366.4M  0:18.98  Ng5 Nb6 Bh7+ Kh8 Kxe6 Nb4 Kf7 Nc6 Bf5 Nd4 Bg4 Nc6 Kf8 Ne5 Bf5 Ned7+ Ke7 Nb8 Kf7 N8d7 Nf3 Nc5 Ne5 Nb7 Kf8 Nd8 Nf7+ Nxf7
45  +100.00   366.2M  0:18.98  Ng5 Nb6 Bh7+ Kh8 Kxe6 Nb4 Kf7 Nc6 Bf5 Nd4 Bg4 Nc6 Kf8 Ne5 Bf5 Ned7+ Ke7 Nb8 Kf7 N8d7 Nf3 Nc5 Ne5 Nb7 Kf8 Nd8 Nf7+ Nxf7
44  +100.00   366.1M  0:18.97  Ng5 Nb6 Bh7+ Kh8 Kxe6 Nb4 Kf7 Nc6 Bf5 Nd4 Bg4 Nc6 Kf8 Ne5 Bf5 Ned7+ Ke7 Nb8 Kf7 N8d7 Nf3 Nc5 Ne5 Nb7 Kf8 Nd8 Nf7+ Nxf7
43  +100.00   366.1M  0:18.97  Ng5 Nb6 Bh7+ Kh8 Kxe6 Nb4 Kf7 Nc6 Bf5 Nd4 Bg4 Nc6 Kf8 Ne5 Bf5 Ned7+ Ke7 Nb8 Kf7 N8d7 Nf3 Nc5 Ne5 Nb7 Kf8 Nd8 Nf7+ Nxf7
42  +100.00   366.1M  0:18.97  Ng5 Nb6 Bh7+ Kh8 Kxe6 Nb4 Kf7 Nc6 Bf5 Nd4 Bg4 Nc6 Kf8 Ne5 Bf5 Ned7+ Ke7 Nb8 Kf7 N8d7 Nf3 Nc5 Ne5 Nb7 Kf8 Nd8 Nf7+ Nxf7
41  +100.00   366.0M  0:18.97  Ng5 Nb6 Bh7+ Kh8 Kxe6 Nb4 Kf7 Nc6 Bf5 Nd4 Bg4 Nc6 Kf8 Ne5 Bf5 Ned7+ Ke7 Nb8 Kf7 N8d7 Nf3 Nc5 Ne5 Nb7 Kf8 Nd8 Nf7+ Nxf7
40  +100.00   366.0M  0:18.97  Ng5 Nb6 Bh7+ Kh8 Kxe6 Nb4 Kf7 Nc6 Bf5 Nd4 Bg4 Nc6 Kf8 Ne5 Bf5 Ned7+ Ke7 Nb8 Kf7 N8d7 Nf3 Nc5 Ne5 Nb7 Kf8 Nd8 Nf7+ Nxf7
39  +100.00   366.0M  0:18.97  Ng5 Nb6 Bh7+ Kh8 Kxe6 Nb4 Kf7 Nc6 Bf5 Nd4 Bg4 Nc6 Kf8 Ne5 Bf5 Ned7+ Ke7 Nb8 Kf7 N8d7 Nf3 Nc5 Ne5 Nb7 Kf8 Nd8 Nf7+ Nxf7
38  +100.00   366.0M  0:18.97  Ng5 Nb6 Bh7+ Kh8 Kxe6 Nb4 Kf7 Nc6 Bf5 Nd4 Bg4 Nc6 Kf8 Ne5 Bf5 Ned7+ Ke7 Nb8 Kf7 N8d7 Nf3 Nc5 Ne5 Nb7 Kf8 Nd8 Nf7+ Nxf7
37  +100.00   366.0M  0:18.97  Ng5 Nb6 Bh7+ Kh8 Kxe6 Nb4 Kf7 Nc6 Bf5 Nd4 Bg4 Nc6 Kf8 Ne5 Bf5 Ned7+ Ke7 Nb8 Kf7 N8d7 Nf3 Nc5 Ne5 Nb7 Kf8 Nd8 Nf7+ Nxf7
36  +100.00   366.0M  0:18.97  Ng5 Nb6 Bh7+ Kh8 Kxe6 Nb4 Kf7 Nc6 Bf5 Nd4 Bg4 Nc6 Kf8 Ne5 Bf5 Ned7+ Ke7 Nb8 Kf7 N8d7 Nf3 Nc5 Ne5 Nb7 Kf8 Nd8 Nf7+ Nxf7
35  +100.00   366.0M  0:18.96  Ng5 Nb6 Bh7+ Kf8 Bg6 Nc3 Nxe6+ Kg8 Nf6+ Kh8 Bd3 Nc8+ Kd7 Nb6+ Ke8 Ncd5 Ng4 Nb4 Bf5 Nc6 Kf7 Nc8 Kf8 Nd6 Bg6 Nc4 Ng5 Nd8 Nf7+ Nxf7
34  +100.00   337.1M  0:17.48  Ng5 Nb6 Bh7+ Kf8 Bg6 Nc3 Nxe6+ Kg8 Nf6+ Kh8 Bd3 Nc8+ Kd7 Nb6+ Ke8 Ncd5 Ng4 Nb4 Bf5 Nc6 Kf7 Nc8 Kf8 Nd6 Bg6 Nc4 Ng5 Nd8 Nf7+ Nxf7
33  +100.00   337.1M  0:17.48  Ng5 Nb6 Bh7+ Kf8 Bg6 Nc3 Nxe6+ Kg8 Nf6+ Kh8 Bd3 Nc8+ Kd7 Nb6+ Ke8 Ncd5 Ng4 Nb4 Bf5 Nc6 Kf7 Nc8 Kf8 Nd6 Bg6 Nb5 Ng5 Nd8 Nf7+ Nxf7
32  +100.00   336.9M  0:17.47  Ng5 Nb6 Bh7+ Kf8 Bg6 Nc3 Nxe6+ Kg8 Nf6+ Kh8 Bd3 Nc8+ Kd7 Nb6+ Ke8 Ncd5 Ng4 Nb4 Bf5 Nc6 Kf7 Nd7 Ng5 Ncb8 Nf6 Ne5+ Kf8 Nbc6 Nd7 Ng6+ Bxg6 Ne5 Nf7+ Nxf7
31  +100.00   336.9M  0:17.47  Ng5 Nb6 Bh7+ Kf8 Bg6 Nc3 Nxe6+ Kg8 Nf6+ Kh8 Bd3 Nc8+ Kd7 Nb6+ Ke8 Ncd5 Ng4 Nb4 Bf5 Nc6 Kf7 Nc8 Kf8 N6e7 Bc2 Nc6 Nh6 Nd6 Bb1 Ne5 Nd8 Nd7+ Ke7 Kg7 Kxd6 Nb6
30  +100.00   336.8M  0:17.46  Ng5 Nb6 Bh7+ Kf8 Bg6 Nc3 Nxe6+ Kg8 Nf6+ Kh8 Bd3 Nc8+ Kd7 Nb6+ Ke8 Ncd5 Ng4 Nb4 Bf5 Nc6 Kf7 Nc8 Kf8 N6e7 Bd3 Nc6 Be4 Nb4 Ng5 Nd6 Nf7+ Nxf7
29  +100.00   336.8M  0:17.46  Ng5 Nb6 Bh7+ Kf8 Bg6 Nc3 Nxe6+ Kg8 Nf6+ Kh8 Bd3 Nc8+ Kd7 Nb6+ Ke8 Ncd5 Ng4 Nb4 Bf5 Nc6 Kf7 Nc8 Kf8 N6e7 Bd3 Nc6 Be4 Nb4 Ng5 Nd6 Nf7+ Nxf7
28  +100.00   336.8M  0:17.46  Ng5 Nb6 Bh7+ Kf8 Bg6 Nc3 Nxe6+ Kg8 Nf6+ Kh8 Bd3 Nc8+ Kd7 Nb6+ Ke8 Ncd5 Ng4 Nb4 Bf5 Nc6 Kf7 Nc8 Kf8 N6e7 Bd3 Nc6 Be4 Nb4 Ng5 Nd6 Nf7+ Nxf7
27  +100.00!  336.8M  0:17.46  Ng5!
26  +93.16   313.6M  0:16.23  Ng5 Nc3 Bh7+ Kf8 Bg6 Nb5+ Kc6 Nd4+ Kb7 Ke7 Kxa8 Ne2 Nh3 e5 Kb7 e4 Nc7 Nc3 Nf4 Kd6 Be8 Ke5 Ng2 Nd1 Kb6 e3 Kc5 e2 Bh5 Nc3 Ne1 Kf6 Nd5+ Kg5 Nxc3
25  +92.02   305.3M  0:15.74  Ng5 Nc3 Bh7+ Kf8 Bg6 Nb5+ Kc6 Nc3 Kb7 e5 Kxa8 e4 Kb7 Ke7 Bh5 e3 Kc6 e2 Nf3 Ke6 Kc5 Ke7 Bg6 Kd7 Ne1 Ke7 Kd4
25  +91.49!  302.9M  0:15.59  Ng5!
25  +89.15!  300.7M  0:15.44  Ng5!
25  +86.96!  299.2M  0:15.35  Ng5!
25  +85.02!  298.7M  0:15.32  Ng5!
25  +83.38!  297.7M  0:15.26  Ng5!
24  +81.60   297.3M  0:15.23  Ng5 Nc3 Bh7+ Kf8 Bg6 Nb5+ Kc6 Nd4+ Kb7 Ke7 Kxa8 Ne2 Bf7 Nf4 Kb7 Kf8 Kc7 Nd5+ Kc6
24  +89.77!  297.1M  0:15.22  Ng5!
24  +86.37!  296.9M  0:15.21  Ng5!
24  +83.08!  296.9M  0:15.21  Ng5!
24  +80.12!  296.9M  0:15.21  Ng5!
24  +77.60!  296.8M  0:15.20  Ng5!
24  +75.53!  296.6M  0:15.19  Ng5!
24  +73.92!  296.3M  0:15.17  Ng5!
23  +72.24   296.1M  0:15.16  Ng5 Nb6 Bh7+ Kh8 Kxe6 Nb4 Kf7 Nc6 Bf5 Nd4 Bg4 Nc6 Kf8 Ne5 Bf5 Nbc4 Nf6 Nd6 Bh7 Nb5 Bb1 Nc3
23  +76.94!  296.1M  0:15.16  Ng5!
23  +72.10!  291.3M  0:14.89  Ng5!
23  +67.96!  291.1M  0:14.88  Ng5!
23  +64.58!  269.6M  0:13.72  Ng5!
23  +61.90!  269.1M  0:13.69  Ng5!
23  +59.87!  136.8M  0:06.70  Ng5!
23  +58.48?  105.3M  0:05.13  Ng5 Nb6?
23  +60.18!  101.7M  0:04.96  Ng5!
22  +59.11   87.9M    0:04.28  Bg6 Nc3 Ng5 Nb6 Kxe6 Ncd5 Bf7+ Kh8 Ke5 Ne7 Ba2 Nc6+ Kd6 Nb4 Bf7 Nc8+ Kc5 Nd3+ Kd4 Nb4 Kc4 Nc6 Be6
22  +60.50!  82.3M    0:04.01  Bg6!
22  +59.47!  71.8M    0:03.48  Bg6!
21  +58.44   66.7M    0:03.24  Bg6 Nc3 Ng5 Nb6 Nxe6 Ncd5 Kc5 Nc8 Bh5 Nde7 Nf6+ Kh8 Bf3 Nf5 Be2 Nce7 Bd3 Nh6 Kb5 Nef5 Bb1 Ne3 Nd8
20  +59.15   48.8M    0:02.37  Bg6 Nc3 Ng5 Nb6 Kxe6 Ncd5 Bf7+ Kh8 Ke5 Nb4 Be6 Nd3+ Kd4 Nf4 Bf7 Nd7 Bc4 Ng6 Nf3 Ngf8 Ke3 Nc5 Ba2 Nfd7
19  +59.75   13.8M    0:00.74  Bg6 Nc3 Ng5 Nb6 Bf7+ Kh8 Bxe6 Nbd5 Bf7 Nb6 Nf3 Kh7 Ne5 Nba4 Ng4 Ne2 Kd5 Ng3 Ke5 Nc5 Ngf6+ Kh6 Kd5
18  +60.26   13.1M    0:00.70  Bg6 Nc3 Ng5 Nb6 Nxe6 Ncd5 Kc5 Nc8 Bh5 Ne3 Kd4 Nc2+ Kd3 Na3 Nf6+ Kh8 Bf3 Nb5 Nd5 Nbd6 Bh5 Kg8 Kd4 Kh8
17  +59.99   8.45M    0:00.49  Bg6 Nc3 Ng5 Nb6 Nxe6 Ncd5 Kc5 Nc8 Bh5 Ne3 Kd4 Nc2+ Ke5 Kh8 Bf3 Nb4 Kd4 Ne7 Kc4
16  +60.14   7.20M    0:00.43  Bg6 Nc3 Kxe6 Nb5 Kd7 Nc3 Kc6 Kf8 Nd6 Ke7 Nf5+ Kf6 Bh7 Na4 Ng3 N4b6 Bc2 Ke7 Ne4 Nd7 Bb3 Nab6
15  +60.58   4.76M    0:00.32  Bg6 Nb6 Kxe6 Nc3 Bf7+ Kh8 Nd6 Nbd5 Nf5 Nb4 Ng5 Nd3 Ke7 Nc5 Bc4 N3a4 Bd5 Nb6 Bg2 Kg8
14  +60.10   3.72M    0:00.26  Bg6 Nb6 Kxe6 Nc3 Bf7+ Kh8 Nd6 Nbd5 Nf5 Nb4 Ke5 Nc6+ Kd6 Nd8 Bc4 Nb7+ Kc7 Nc5 Kb6 N5e4
13  +60.02   2.33M    0:00.19  Nf6+ Kg7 Nh5+ Kh6 Nf4 Nb6 Ne5 Nc3 Nxe6 Nbd5 Kc5 Nf6 Nf7+ Kh5 Nd6 Kg4 Nc7 Na2 Nf5 Kf4 Kd4
12  +60.34   1.60M    0:00.15  Nf6+ Kg7 Nh5+ Kh6 Nf4 Nb6 Ne5 Nc3 Nxe6 Nbd5 Kc5 Nf6 Kc4 Nce4 Bc2 Nd6+ Kd3
11  +60.73   1.28M    0:00.13  Nf6+ Kg7 Nh5+ Kh6 Nf4 Nb6 Nxe6 Nc3 Ne5 Nbd5 Kc5 Nf6 Kd4 Nce4 Nf7+ Kh5 Ke3 Kh4 Nd4
10  +60.89   1.06M    0:00.11  Nf6+ Kg7 Nh5+ Kf8 Ne5 Nb6 Nf4 Kg7 Nxe6+ Kf6 Ng4+ Kf7 Nf4 Kg7 Be4 Nc4+ Kc5 Nd2 Bd3
  9  +61.01   401006  0:00.06  Nf6+ Kg7 Nh5+ Kh6 Nf4 Nb6 Nxe6 Nc3 Ne5 Nbd5 Kc5 Ne3 Kb4 Ncd5+ Kb3 Kh5
  8  +60.50   281936  0:00.05  Nf6+ Kg7 Nh5+ Kh6 Nf4 Nc3 Nxe6 Nb6 Ne5 Kh5 Kc5 Nbd5 Bg6+ Kh6
  7  +63.79   74287    0:00.02  Nf6+ Kg7 Nd7 Nc3 Ng5 Kh6 Nxe6 Kh5
  6  +63.67   72655    0:00.02  Nf6+ Kh8 Nd7 Nc3 Ng5 Kg8
  5  +62.87   18987    0:00.01  Nf6+ Kf7 Nd7 Kg8 Be4
  4  +60.97   13330    0:00.01  Bb5 Nb6 Kxe6 Nb4
  3  +61.24   7072      0:00.00  Ne5 Nb4 Bc4
  2  +62.48   5048      0:00.00  Kxe6 Nb6
  1  +62.18   1375      0:00.00  Bc4
  0  #
Parent - - By McBrain (*) Date 2019-06-12 02:22
#73 by McCain default setting 12 cores/23 threads 8192 hash

4BK2/1pp3p1/8/P4R2/8/B3k3/3q4/8 w - - 0 1


dep  score  nodes  time  (not shown:  tbhits  knps  seldep)
36  +100.00?  3.36G  1:54.06  a6 Qg2?
35  +100.00!  3.05G  1:43.79  a6!
34  +100.00?  2.82G  1:36.23  a6 Qg2?
33  +100.00?  2.72G  1:32.89  a6 Qg2?
32  +100.00?  2.58G  1:27.88  a6 Qg2?
31  +100.00?  2.49G  1:24.72  a6 Qg2?
30  +100.00!  2.42G  1:22.25  a6!
29  +99.99   2.32G  1:19.28  a6 Qg2 a7 b6 Rf7 Qa8 Rxc7 Kf3 Rf7+ Kg4 Rxg7+ Kf3 Rf7+ Ke3 Re7+ Kf2 Kg7 b5 Bg6 Qc6 Be4 Qc3+ Kg8 Qc8+ Kf7 Qc4+ Kf8 Qc8+ Re8 Qc3 a8=Q Qf6+ Kg8 Qg5+ Kf7 Qf4+ Ke7 b4 Qa7+ Ke2 Bf3+ Kf1 Bg2+ Ke1 Qg1+ Kd2 Bc1+ Kc3 Bxf4
29  +99.98?  1.62G  0:57.51  a6 Qg2?
28  +99.98   1.58G  0:56.22  a6 Qg2 a7 b6 Rf7 Qa8 Rxc7 Kf2 Rf7+ Kg3 Rxg7+ Kh3 Bd6 b5 Bb8 Qf3+ Ke7 Qe4+ Kd8 Kh4 Rg6 Qd4+ Rd6 Qa4 Bc6 Qc4 a8=Q Qf4 Kc8 Qf1 Kb7 Qe2
28  +99.96!  1.47G  0:52.76  a6!
28  +99.89!  1.27G  0:45.86  a6!
28  +99.87!  1.05G  0:38.54  a6!
28  +99.83?  927.7M  0:34.36  a6 Qg2?
27  +99.84   850.2M  0:31.72  a6 Qg2 a7 b6 Rf7 Qa8 Rxc7 Kf2 Rf7+ Ke3 Re7+ Kf4 Bd6+ Kg4 Rxg7+ Kf3 Bb8 Ke2 Re7+ Kd2 Bg6 Qh1 Kg7 Qf3 Be5 Qd5 Bf4+ Kd1 Be4 Qd4+ Kg8 Qc4+ Kh7 Qc5 Rd7+ Ke2 a8=Q Qh5+ Kg8 Qg4+ Rg7 Qe6+ Rf7
27  +99.75!  777.4M  0:29.23  a6!
27  +99.59!  741.6M  0:27.99  a6!
27  +99.50?  663.0M  0:25.25  a6 Qg2?
26  +99.51   627.2M  0:23.99  a6 Qg2 a7 b6 Rf7 Qa8 Rxc7 Kf2 Rf7+ Kg2 Rxg7+ Kf3 Rf7+ Ke4 Kg7 Ke5 Rc7 Qg2+ Bg6 Qd5 Re7+ Kf4 Bd6+ Kg4 Be5 Qf3 Bb2 Qf2 Re4+ Kf3 a8=Q Qxb2+ Kh7 Kf2 Qc6 Kg1
26  +99.41!  604.5M  0:23.20  a6!
25  +99.16   442.9M  0:17.61  a6 Qg2 a7 b6 Rf7 Qa8 Rxc7 Kf2 Rf7+ Kg2 Rxg7+ Kf3 Rf7+ Kg4 Bd6 Qc8 Rg7+ Kf5 Rc7 Qa8 Rf7+ Ke4 Kg7 Kd5 Bb8 b5 Re7 Kd4 Be5+ Kd5 Bg6 Kc4 Bd6 Qd8 Bf7+ Kd4 Re8
25  +98.84!  388.9M  0:15.76  a6!
25  +98.02!  376.8M  0:15.34  a6!
25  +96.94?  367.4M  0:15.00  a6 Qg2?
25  +98.22!  366.0M  0:14.96  a6!
25  +97.69!  357.8M  0:14.67  a6!
24  +97.02   315.1M  0:13.14  a6 Qg2 a7 b6 Rf7 Qa8 Rxc7 Kf2 Rf7+ Kg2 Rxg7+ Kf3 Rf7+ Kg4 Bd6 Qc8 Rg7+ Kf5 Rc7 Qa8 Rf7+ Kg5 Bf4+ Kh4 Bb8 Kg5 Rg7+ Kf5 Rg6 Qf3 Bc6 Qf2 Bg3 Qc5+ Rd6 Kg4 a8=Q Kxg3 Ke7 Qe5+ Re6 Qg7+ Kd6
24  +96.43!  291.4M  0:12.29  a6!
23  +95.53   254.7M  0:10.94  a6 Qg2 a7 b6 Rf7 Qa8 Rxc7 Kf2 Rf7+ Kg2 Rxg7+ Kf3 Rf7+ Kg4 Bd6 Qc8 Rg7+ Kf5 Rc7 Qa8 Rf7+ Kg4 Bb8 Kg5 Rg7+ Kh4 Bg3+ Kh3 Bd6 b5 Bb8 Qf3+ Ke7 Qe3+ Kd7 Qe4
23  +95.21!  251.9M  0:10.83  a6!
23  +93.99!  231.6M  0:10.04  a6!
23  +92.85!  224.6M  0:09.76  a6!
22  +91.51   214.4M  0:09.36  a6 bxa6 Bc5+ Ke4 Bg6 Qa5 Kg8 Qa2+ Kh7 Qa4 Ba7 c5 Bxc5 Qa5 Kh8 Qb5 Kxg7 Qa5 Kh7 Qb5 Kh6 Qa5 Kh5 Qb5 Kg5 Kd3
22  +90.85!  212.6M  0:09.28  a6!
22  +88.80!  207.0M  0:09.06  a6!
22  +86.94!  204.5M  0:08.96  a6!
22  +85.35!  200.7M  0:08.81  a6!
21  +83.61   191.3M  0:08.42  a6 Qg2 a7 b6 Rf7 Qa8 Rxc7 Kf3 Rf7+ Kg4 Rxg7+ Kf5 Re7 b5 Bd6 b4 Bxb4 Qd8 Bc3 Qa8 Be5 Qd8 Bb2 Qa8 Kg7 Kg4
21  +79.49!  183.9M  0:08.12  a6!
21  +75.47!  179.5M  0:07.94  a6!
21  +72.04!  177.9M  0:07.87  a6!
21  +69.10?  177.1M  0:07.83  a6 bxa6?
21  +72.83!  176.8M  0:07.82  a6!
21  +71.27!  176.6M  0:07.81  a6!
20  +69.66   173.8M  0:07.70  a6 bxa6 Bc5+ Ke4 Bg6 Qa5 Kg8 Qa2+ Kh7 Qa5 Kh8 Qb5 Kxg7 Qb2+ Kh7 Qb5 Kh6 Qa5 Kh5 Qa4 Bg1 c5 Bxc5 Qd1+ Kh6 Qd2+ Kg7 Qa5 Kh7
20  +66.18!  173.3M  0:07.67  a6!
20  +62.21?  171.7M  0:07.60  a6 bxa6?
20  +65.22!  171.7M  0:07.60  a6!
20  +64.13?  167.8M  0:07.44  a6 bxa6?
20  +65.48?  167.2M  0:07.42  a6 bxa6?
20  +66.40?  166.0M  0:07.36  a6 bxa6?
20  +66.99?  165.4M  0:07.34  a6 bxa6?
19  +67.57   165.0M  0:07.32  a6 bxa6 Bc5+ Ke4 Bg6 Qa5 Kf7 Qa2+ Ke7 Qa4 Bf2 c5 Kf8 a5 Bxc5 Qb3 Kxg7 a4 Kh6
19  +64.73!  164.9M  0:07.31  a6!
19  +61.63!  164.3M  0:07.28  a6!
19  +59.23!  163.7M  0:07.26  a6!
19  +57.43!  163.6M  0:07.25  a6!
19  +56.14!  163.5M  0:07.25  a6!
19  +55.37?  126.5M  0:05.68  Be7 Qg2?
18  +56.02   94.6M    0:04.31  Be7 Qg2 Bh5 g6 Bg5+ Kd4 Bxg6 c5 Bf6+ Kc4 Bf7+ Kb4 Bd8 Qg3 Rh5 Qd3 Be7 Kxa5 Rxc5+ Kb6 Rg5 Ka6
18  +58.44!  92.5M    0:04.22  a6!
18  +57.51!  92.4M    0:04.22  a6!
17  +56.59   80.0M    0:03.67  Be7 Qg2 Bh5 g6 Bg5+ Kd4 Bxg6 c5 Bf7 Qc6 Kg7 Kc3 Rf4 Qc7 Ra4 Kd3
17  +58.44!  67.7M    0:03.14  Bf7!
17  +57.11!  67.1M    0:03.11  Bf7!
16  +56.99   40.2M    0:01.90  Be7 Qg2 Rb5 Qg4 Bd8 Qc8 Ke7 b6 axb6 cxb6 Bxb6+ Kd3 Bd7 Qa8 Kd6 Qf8+ Kc7 Qe7 Kc8 Qf8+ Kb7 Qe7 Rd5+ Kc3 Ka6
15  +59.83   18.7M    0:00.91  Be7 Qg2 Bh5 g6 Re5+ Kf4 Rg5 Qh1 Bxg6 b6 Rf5+ Kg3 Bg5 bxa5 Bf4+ Kf2 Bxc7+ Ke1 Kg7
14  +62.21   13.8M    0:00.66  Be7 Qg2 Bf7 c6 Re5+ Kd2 Ke8 Qg4 Bd8 Kc3 Re7 c5 Rxb7 Qe4+ Re7
13  +61.59   4.47M    0:00.22  Be7 Qg2 Bg5+ Kd4 Bf7 c6 Kxg7 c5 Be6 c4 Kf7 Qc6 Bf6+ Ke4 Re5+ Kd3 Re1 c3
12  +61.67   2.96M    0:00.15  Be7 Qg2 Bf7 c6 Bh5 Kd2 Rg5 Qe4 Bd6 Qe6 Be5 Kd3 Bg6+ Kc4
11  +61.71   1.34M    0:00.07  Be7 Qg2 Bf7 Qg4 Bg5+ Kd3 Bg6 Kc3 Kxg7 c6 Kf6 Qd1 Ke6 Qe2+ Kd7 Kb4
10  +61.28   776027  0:00.04  Be7 Qg2 Bf7 c6 Rg5 Qh3 Kxg7 Qd7 Re5+ Kd2 Bg5+ Kc3
  9  +62.21   293057  0:00.02  Be7 Qg2 Bf7 c6 Rg5 Qh3 Kxg7 Qd7
  8  +61.13   210408  0:00.02  Be7 Qg2 Bf7 c6 Bg5+ Kd3 Kxg7 Qe4
  7  +61.83   98153    0:00.01  Be7 Qg2 Bg5+ Kd3 Bg6 Kc3 Kg8
  6  +59.75   80214    0:00.01  Be7 Qg2 Bf7 Qe4 Rb5
  5  +59.31   19243    0:00.00  Bg6 Qd8+ Kf7 Qd1 Ke6 Qd4
  4  +60.30   11904    0:00.00  Bg6 Ke2 Bc5 Ke1
  3  +60.77   9237      0:00.00  Bc5+ Ke4 Rf2 Qxa5
  2  +61.48   6761      0:00.00  Bg6 b6 Re5+ Kd4
  1  +94.07   1471      0:00.00  Bc5+ Ke2
  0  #
Parent - By MrKris (**) Date 2019-07-01 14:19
Thanks!
Somewhere about 8 seconds, +-, on your CPU to start to win:
21  +79.49!  183.9M  0:08.12  a6!

I have a minor piece up, +3.38, not until 47 seconds, a rook +5.34 not until 53":
FEN: 4BK2/1pp3p1/8/P4R2/8/B3k3/3q4/8 w - - 0 1, AMD PhIIX6 512Mhash
Stockfish_19062209c0: Found 510 tablebases
...
 23/55  00:33   129,989k  3,876k  +0.59  1.Be7 Qg2 2.Re5+ Kf4 3.Rg5 Qh3 4.Bb5 g6 5.Bc4 Qh8+ 6.Bg8 Qh3 7.Rc5 Qc8+ 8.Kf7 Qd7 9.Kf6 Qd4+ 10.Kxg6 Qd3+ 11.Kg7 Qd7 12.Kf6 Qd4+ 13.Ke6 b6 14.Rd5 Qa4 15.Bg5+ Kf3 16.Ke7 bxa5 17.Be6 Qe4 18.Bf6
 24/37+  00:35   138,873k  3,920k  +0.68  1.a6
...
 25/58+  00:46   201,223k  4,343k  +1.16  1.a6
...
 25/58+  00:47   205,473k  4,367k  +3.38  1.a6
...
 26/47+  00:53   231,960k  4,359k  +5.34  1.a6
...
 28/40-  01:20   326,736k  4,072k  +9.57  1.a6 Qg2
...
 28/48  01:29   378,879k  4,234k  +10.82  1.a6 Qg2 2.a7 b6 3.Rf7 Qd5 4.Rxc7 Kf2 5.Rd7 Qa8 6.Rf7+ Kg3 7.Bd6+ Kg2 8.Bb8 Qd5 9.Rxg7+ Kf2 10.Rf7+ Ke1 11.Re7+ Kf1 12.Bd6 b5 13.Bg6 Qd4 14.Bd3+ Kf2 15.Be4 Qh8+ 16.Kf7 Qh5+ 17.Kg7 Qg4+ 18.Kf8 Qc8+ 19.Kf7 Qc4+ 20.Kg7 Qd4+ 21.Be5
...
 29/51  01:35   424,352k  4,453k  +12.28  1.a6
Parent - - By McBrain (*) Date 2019-06-12 02:27
#251 by -dev-McCain default settings 12 cores/ 23 threads

k2N4/1R3Kpn/4p3/6p1/8/p3p3/2p5/5nbB w - - 0 1


dep  score  nodes  time  (not shown:  tbhits  knps  seldep)
44    #11   900.9M  0:35.73  Rb4+ Ka7 Nc6+ Ka6 Be4 c1=N Nd4 Ka7 Nxe6 Nb3 Rb7+ Ka6 Nc7+ Ka5 Rxb3 Ka4 Bc2 Nd2 Rb5+ Nb3 Bxb3#
43    #11   837.8M  0:33.87  Rb4+ Ka7 Nc6+ Ka6 Be4 c1=N Nd4 Ka7 Nxe6 Nb3 Rb7+ Ka6 Nc7+ Ka5 Rxb3 Ka4 Bc2 Nd2 Rb5+ Nb3 Bxb3#
42    #11   771.2M  0:31.82  Rb4+ Ka7 Nc6+ Ka6 Be4 c1=N Nd4 Ka7 Nxe6 Nb3 Rb7+ Ka6 Nc7+ Ka5 Rxb3 Ka4 Bc2 Nd2 Rb5+ Nb3 Bxb3#
41    #11   758.3M  0:31.42  Rb4+ Ka7 Nc6+ Ka6 Be4 c1=N Nd4 Ka7 Nxe6 Nb3 Rb7+ Ka6 Nc7+ Ka5 Rxb3 Ka4 Bc2 Nd2 Rb5+ Nb3 Bxb3#
40    #11   710.4M  0:29.90  Rb4+ Ka7 Nc6+ Ka6 Be4 c1=N Nd4 Ka7 Nxe6 Nb3 Rb7+ Ka6 Nc7+ Ka5 Rxb3 Ka4 Bc2 Nd2 Rb5+ Nb3 Bxb3#
39    #11   690.4M  0:29.27  Rb4+ Ka7 Nc6+ Ka6 Be4 c1=N Nd4 Ka7 Nxe6 Nb3 Rb7+ Ka6 Nc7+ Ka5 Rxb3 Ka4 Bc2 Nd2 Rb5+ Nb3 Bxb3#
38    #11   665.2M  0:28.46  Rb4+ Ka7 Nc6+ Ka6 Be4 c1=N Nd4 Ka7 Nxe6 Nb3 Rb7+ Ka6 Nc7+ Ka5 Rxb3 Ka4 Bc2 Nd2 Rb5+ Nb3 Bxb3#
37    #11   652.3M  0:28.03  Rb4+ Ka7 Nc6+ Ka6 Be4 c1=N Nd4 Ka7 Nxe6 Nb3 Rb7+ Ka6 Nc7+ Ka5 Rxb3 Ka4 Bc2 Nd2 Rb5+ Nb3 Bxb3#
36    #11   628.0M  0:27.23  Rb4+ Ka7 Nc6+ Ka6 Be4 c1=N Nd4 Ka7 Nxe6 Nb3 Rb7+ Ka6 Nc7+ Ka5 Rxb3 Ka4 Bc2 Nd2 Rb5+ Nb3 Bxb3#
35    #11   603.1M  0:26.40  Rb4+ Ka7 Nc6+ Ka6 Be4 c1=N Nd4 Ka7 Nxe6 Nb3 Rb7+ Ka6 Nc7+ Ka5 Rxb3 Ka4 Bc2 Nd2 Rb5+ Nb3 Bxb3#
34    #11   593.6M  0:26.07  Rb4+ Ka7 Nc6+ Ka6 Be4 c1=N Nd4 Ka7 Nxe6 Nb3 Rb7+ Ka6 Nc7+ Ka5 Rxb3 Ka4 Bc2 Nd2 Rb5+ Nb3 Bxb3#
33    #11   579.9M  0:25.54  Rb4+ Ka7 Nc6+ Ka6 Be4 c1=N Nd4 Ka7 Nxe6 Nb3 Rb7+ Ka6 Nc7+ Ka5 Rxb3 Ka4 Bc2 Nd2 Rb5+ Nb3 Bxb3#
32    #11   547.0M  0:24.29  Rb4+ Ka7 Nc6+ Ka6 Be4 c1=N Nd4 Ka7 Nxe6 Nb3 Rb7+ Ka6 Nc7+ Ka5 Rxb3 Ka4 Bc2 Nd2 Rb5+ Nb3 Bxb3#
32    #13!  546.8M  0:24.28  Rb4+!
32  +91.94!  546.8M  0:24.28  Rb4+!
32  +81.12!  546.8M  0:24.28  Rb4+!
32  +75.53!  546.8M  0:24.28  Rb4+!
32  +70.52!  546.8M  0:24.28  Rb4+!
32  +66.26!  546.7M  0:24.28  Rb4+!
32  +62.79!  546.5M  0:24.27  Rb4+!
32  +60.06!  546.4M  0:24.27  Rb4+!
32  +58.00!  546.3M  0:24.26  Rb4+!
32  +56.46!  546.2M  0:24.26  Rb4+!
32  +55.37!  545.9M  0:24.25  Rb4+!
32  +54.64!  545.2M  0:24.22  Rb4+!
31  +53.90   433.2M  0:19.39  Nxe6 c1=R Rc7+ Kb8 Rxc1 e2 Bf3 Bb6 Bxe2 Ng3 Bf3 g4 Bg2 Nf6 Rc6 Ba7 Rd6 Nfe4 Rd8+ Kb7 Rd3 a2 Ra3 Kb6 Rxa2 Nf5 Rb2+ Ka5 Nd8 Ned6+ Ke6 Bc5 Nb7+ Nxb7 Kxf5 Nd6+ Kxg4 Nc4 Ra2+ Kb4 Kg5 Be3+ Kg6 Kc3 Bh3 Kd4 Ra1 Kd3 Re1 Kd2
31  +54.19!  380.1M  0:17.15  Nxe6!
30  +53.49   367.4M  0:16.61  Nxe6 c1=Q Rc7+ Kb8 Rxc1 e2 Bf3 Bb6 Bxe2 Ng3 Bf3 g4 Bg2 Nf6 Rc6 Ba7 Rd6 Nfe4 Rd8+ Kb7 Rd3 a2 Ra3 Kb6 Rxa2 Nf5 Rb2+ Ka5 Nd8 Ned6+ Ke6 Bc5 Nb7+ Nxb7 Kxf5 Nd6+ Kxg4 Nc4 Ra2+ Kb4 Kg5 Be3+ Kh5 Ne5 Ra8 Kc5 Kh4 Nc6 Be4 Kd6
30  +53.82?  313.8M  0:14.28  Nxe6 c1=Q?
29  +54.47   208.4M  0:09.64  Nxe6 c1=R Rc7+ Kb8 Rxc1 e2 Bf3 Bb6 Bxe2 Ng3 Bf3 g4 Bg2 Nf6 Rc6 Ba7 Rd6 Nfe4 Ra6 Nc5 Ra5 Nxe6 Kxe6 Bb6 Rxa3 Nh5 Ra4 g3 Kd7 Nf6+ Kc6 Be3 Kd6 Ne8+ Ke6 Kc7 Rg4 Bf2 Rc4+ Kd8 Bb7 Nc7+ Kf5 g6+ Kxg6 Kd7 Kf5
28  +54.64   158.2M  0:07.41  Nxe6 c1=Q Rc7+ Kb8 Rxc1 e2 Bf3 Bb6 Bxe2 Ng3 Bf3 g4 Bg2 Nf6 Rc6 Ba7 Rd6 Nfe4 Rd8+ Kb7 Rd3 a2 Ra3 Kb6 Rxa2 Nf5 Rb2+ Ka5 Bxe4 Nd6+ Kg6 Nxe4 Kf5 Nd6+ Kxg4 Bb6 Nf4 Nc4 Rb1 g5 Ne2 Ne3+ Kf3 g4+ Kg3 Ka6 Rb3
27  +54.76   147.5M  0:06.91  Nxe6 c1=Q Rc7+ Kb8 Rxc1 e2 Bf3 Bb6 Bxe2 Ng3 Bf3 g4 Bg2 Nf6 Rc6 Ba7 Rd6 Nfe4 Rd8+ Kb7 Rd3 a2 Ra3 Kb6 Rxa2 Nf5 Rb2+ Ka5 Bxe4 Nd6+ Kg6 Nxe4 Kf5 Nd6+ Kxg4 Bb6 Nf4 Nc4 Rb1 Bc5 Kh5 g6+ Kg4 Bd4 Ne6 Ne5+ Kf4 Nc6 Rc1
27  +54.19?  132.7M  0:06.25  Nxe6 c1=R?
27  +54.84?  118.9M  0:05.63  Nxe6 c1=R?
26  +55.49   94.9M    0:04.52  Nxe6 c1=R Rc7+ Kb8 Rxc1 e2 Bf3 Nd2 Bxe2 Be3 Ra1 g4 Rxa3 Ng5+ Ke7 Nxe6 Kxe6 Bf4 Bxg4 g5 Be2 Ne4 Bf3 Nc5+ Kd5 Nd7 Bg2 Ne5 Ke6 Ng4 Bf3 Ne5 Be4 Ng4 Rb3+ Kc7 Rb7+ Kd8 Rg7 Ne3 Kf6 g4 Kg6 g3
25  +55.37   72.3M    0:03.42  Nxe6 c1=Q Rc7+ Kb8 Rxc1 e2 Bf3 Nd2 Bxe2 Be3 Ra1 g4 Rxa3 Ng5+ Ke7 Nxe6 Kxe6 Bf4 Bxg4 g5 Be2 Ne4 Bf3 Nc5+ Kd5 Kc7 Rc3 Bd6 Bd1 Be7 Rh3 Kd8 Rh8+ Kc7 Rh7 Kd8 Ke5 Kd7 Be2 Ke8 Kf5 Kd7 Bf3 Kd6 Bg2 g4 Rh8 g3 Rh6+ Kd7
24  +55.33   59.8M    0:02.81  Nxe6 c1=Q Rc7+ Kb8 Rxc1 e2 Bf3 Bb6 Bxe2 Ng3 Bf3 g4 Bg2 Nf6 Rc6 Ba7 Rd6 Nfe4 Rd8+ Kb7 Rd3 Kc8 Rxa3 Bb8 Rd3 Nd6+ Kxg7 Kd7 Kf6 Nh5+ Kg6 Kxe6 Re3+ Kd7 Kxh5 Nf5 Rb3 Bd6
23  +55.25   42.9M    0:01.93  Nxe6 c1=Q Rc7+ Kb8 Rxc1 e2 Bf3 Bb6 Bxe2 Ng3 Bd1 Nf6 Ra1 Nf5 Rxa3 Nd4 Nxg5 Nd5 Kxg7 Nb5 Ra6 Nd4 Bg4 Bc5 Kh6
22  +52.96   27.9M    0:01.17  Rb1+ Ka7 Nc6+ Ka6 Rxf1 Bf2 Nd4 g4 Kxe6 Kb6 Nxc2 Nf6 Ra1 e2 Rxa3 e1=R+ Nxe1 Bxe1 Re3 Bd2 Re2 Bh6 Ke5 Nh5 Rg2 g3 Kf5 g6+ Kg4 Kc5 Rc2+ Kd4 Bf3
21  +52.47   26.4M    0:01.11  Rb1+ Ka7 Nc6+ Ka6 Rxf1 Bf2 Nd4 g4 Kxe6 Nf6 Ra1 Kb6 Nxc2 e2 Rxa3 e1=R+ Nxe1 Bxe1 Kf5 Kc5 Ra7 Kd6 Bg2 Bd2 Ra2 Be3 Ra6+ Kc5 Ra7 Bh6
20  +53.37   16.6M    0:00.70  Rb1+ Ka7 Nc6+ Ka6 Rxf1 Bf2 Nd4 g4 Kxe6 Nf6 Ra1 Kb6 Nxc2 e2 Rxa3 e1=R+ Nxe1 Bxe1 Kf5 Kc5 Ra7 g3 Re7 Bf2 Bg2 Kd6 Re5 Bd4 Re6+ Kd7 Bc6+ Kc7 Bf3 Kd7 Rc6
19  +52.88   11.8M    0:00.50  Rb1+ Ka7 Nc6+ Ka6 Rxf1 Bf2 Nd4 g4 Kxe6 Nf6 Ra1 Kb6 Nxc2 e2 Rxa3 e1=R+ Nxe1 Bxe1 Kf5 Kc5 Ba8 Bf2 Ra7 g3 Bg2 Kd6 Ra5 Ke7 Rb5 Kf7 Rb7+ Kf8
18  +52.84   11.1M    0:00.47  Rb1+ Ka7 Nc6+ Ka6 Rxf1 Bf2 Nd4 g4 Kxe6 Kb6 Nxc2 Nf6 Ra1 e2 Kf5 Kc5 Rxa3 e1=Q Nxe1 Bxe1 Ba8 g3 Ra1 Bf2 Ra7 Kc4 Rxg7 Nd5 Rg5 Ne3+ Kf4
17  +52.96   7.86M    0:00.33  Rb1+ Ka7 Nc6+ Ka6 Rxf1 Bf2 Nd4 g4 Kxe6 Nf6 Kf5 Kb6 Nxc2 Kc5 Ra1 Kc4 Rxa3 e2 Bg2 e1=Q Nxe1 Bxe1 Ra4+ Kd3 Ra7 Ke3
16  +53.98   5.60M    0:00.24  Rb1+ Ka7 Nc6+ Ka6 Rxf1 Bf2 Nd4 g4 Kxe6 Nf6 Ra1 Kb6 Nxc2 e2 Kf5 Kc5 Rxa3 e1=Q Nxe1 Bxe1 Ra7 Kd6 Bg2 g3 Bf3 Nd5 Rxg7 Kc5 Rd7
15  +53.82   3.35M    0:00.14  Rb1+ Ka7 Nc6+ Ka6 Rxf1 Bf2 Nd4 g4 Kxe6 Nf6 Ra1 Kb6 Nxc2 e2 Bg2 g3 Kf5 Kc5 Kf4 Nd5+ Kf3 Nc3 Rxa3 e1=Q
14  +54.47   2.91M    0:00.12  Rb1+ Ka7 Nc6+ Ka6 Rxf1 Bf2 Nd4 g4 Kxe6 Nf6 Ra1 Kb6 Nxc2 e2 Bg2 a2 Kf5 Kc5 Rxa2 Kc4 Ra3 e1=Q Nxe1 Bxe1 Bf1+ Kb4
13  +57.19   1.15M    0:00.06  Rb1+ Ka7 Nc6+ Ka6 Rxf1 Bf2 Nd4 g4 Kxe6 Ng5+ Kf5 Nf3 Nxc2 Ka5 Ra1 e2 Kxg4 e1=Q Rxa3+ Kb6 Nxe1
12  +57.19   979151  0:00.05  Rb1+ Ka7 Nc6+ Ka6 Rxf1 Bf2 Nd4 g4 Kxe6 Ng5+ Kf5 Nf3 Nxc2 Ka5 Ra1 e2 Kxg4 e1=Q Rxa3+ Kb6 Nxe1
11  +58.40   465381  0:00.02  Rb1+ Ka7 Nc6+ Ka6 Rxf1 g4 Nb4+ Kb5 Nxc2 Bf2 Kxg7 Ng5 Nxa3+ Kb4 Kg6 Nf3
10  +57.47   411617  0:00.02  Rb1+ Ka7 Nc6+ Ka6 Rxf1 Bf2 Nb4+ Kb5 Nxc2 Kc4 Nxa3+ Kb3 Bf3 Kxa3 Kxg7 e2 Bxe2
  9  +57.91   326676  0:00.01  Rb1+ Ka7 Nc6+ Ka6 Rxf1 Bf2 Nb4+ Kb5 Nxc2 a2 Ra1 e2
  8  +52.84   280242  0:00.01  Rb1+ Ka7 Nc6+ Ka6 Rxf1 Bh2 Nb4+ Ka5 Nxc2
  7  +49.01   86133    0:00.00  Rb1+ Ka7 Rxf1 Bh2 Bf3 Bf4 Kxg7 e2
  6  +55.86   40827    0:00.00  Rb1+ Ka7 Rxf1 Bf2 Bf3 e2 Bxe2
  5  +55.12   19969    0:00.00  Rb1+ Ka7 Rxf1
  4  +41.84   7532      0:00.00  Rc7+ Kb8 Rxc2 Nd2 Bb7
  3  +50.00   6389      0:00.00  Rc7+ Kb8 Rxc2 g4
  2  +43.66   4858      0:00.00  Rc7+ Kb8 Rxc2
  1  +33.19   3853      0:00.00  Rb1+ Ka7 Rxf1
  0  #
Parent - By user923005 (****) Date 2019-06-12 06:15
Those results seem pretty impressive. It is a very nice solver. Certainly one of the best free ones.
Parent - - By dorszcz (**) Date 2019-06-12 09:54
Where can I download this engine?
Parent - By dorszcz (**) Date 2019-06-13 11:07
McCain X4 - 166 out of 287 = 57.8%
Parent - - By Vinvin (***) Date 2019-06-19 14:35 Edited 2019-06-19 14:39
Regular Stockfish seems faster than that and it even finds a mate in 10.

FEN:
k2N4/1R3Kpn/4p3/6p1/8/p3p3/2p5/5nbB w - - 0 1


4 cores at 4 Ghz.
Stockfish_x64_bmi2-20190614:
...
34/52  00:34   250.602k  7.164k  +0,59  1.Nxe6 c1R 2.Rc7+ Kb8 3.Rxc1 e2 4.Bf3 Bb6 5.Bxe2 Ng3 6.Bf3 g4 7.Bg2 Nf6 8.Rc6 Ba7 9.Rd6 Nfe4 10.Rd8+ Kb7 11.Rd3 a2 12.Ra3 Kb6 13.Rxa2 Nf5 14.Rb2+ Ka5 15.Bxe4 Nd6+ 16.Kg6 Nxe4 17.Kf5 Nd6+ 18.Kf4 Nb5 19.Kxg4 Nd4 20.Nxg7 Nb5 21.Rb1 Nd4 22.Ra1+ Kb6 23.Kg5
35/77-  00:52   370.668k  7.025k  +0,50  1.Nxe6 c1R
35/77+  01:00   427.743k  7.020k  +0,59  1.Rb4+
35/77+  01:00   428.191k  7.021k  +M11  1.Rb4+
35/77  01:00   428.214k  7.021k  +M10  1.Rb4+ Ka7 2.Nc6+ Ka6 3.Be4 c1N 4.Nd4 Ka7 5.Bb7 Kb8 6.Ba6+ Kc7 7.Ke7 Nf8 8.Rb7+ Kc8 9.Ra7+ Kb8 10.Nc6+
36/20  01:01   428.755k  7.022k  +M10  1.Rb4+ Ka7 2.Nc6+ Ka6 3.Be4 c1N 4.Nd4 Ka7 5.Bb7 Kb8 6.Ba6+ Kc7 7.Ke7 Nf8 8.Rb7+ Kc8 9.Ra7+ Kb8 10.Nc6+
37/20  01:01   429.175k  7.022k  +M10  1.Rb4+ Ka7 2.Nc6+ Ka6 3.Be4 c1N 4.Nd4 Ka7 5.Bb7 Kb8 6.Ba6+ Kc7 7.Ke7 Nf8 8.Rb7+ Kc8 9.Ra7+ Kb8 10.Nc6+
38/20  01:01   429.592k  7.022k  +M10  1.Rb4+ Ka7 2.Nc6+ Ka6 3.Be4 c1N 4.Nd4 Ka7 5.Bb7 Kb8 6.Ba6+ Kc7 7.Ke7 Nf8 8.Rb7+ Kc8 9.Ra7+ Kb8 10.Nc6+
39/20  01:01   430.185k  7.023k  +M10  1.Rb4+ Ka7 2.Nc6+ Ka6 3.Be4 c1N 4.Nd4 Ka7 5.Bb7 Kb8 6.Ba6+ Kc7 7.Ke7 Nf8 8.Rb7+ Kc8 9.Ra7+ Kb8 10.Nc6+
40/20  01:01   431.099k  7.025k  +M10  1.Rb4+ Ka7 2.Nc6+ Ka6 3.Be4 c1N 4.Nd4 Ka7 5.Bb7 Kb8 6.Ba6+ Kc7 7.Ke7 Nf8 8.Rb7+ Kc8 9.Ra7+ Kb8 10.Nc6+
41/20  01:01   431.561k  7.026k  +M10  1.Rb4+ Ka7 2.Nc6+ Ka6 3.Be4 c1N 4.Nd4 Ka7 5.Bb7 Kb8 6.Ba6+ Kc7 7.Ke7 Nf8 8.Rb7+ Kc8 9.Ra7+ Kb8 10.Nc6+
  51
#251 by -dev-McCain default settings 12 cores/ 23 threads

dep  score  nodes  time  (not shown:  tbhits  knps  seldep)
...
33    #11   579.9M  0:25.54  Rb4+ Ka7 Nc6+ Ka6 Be4 c1=N Nd4 Ka7 Nxe6 Nb3 Rb7+ Ka6 Nc7+ Ka5 Rxb3 Ka4 Bc2 Nd2 Rb5+ Nb3 Bxb3#
32    #11   547.0M  0:24.29  Rb4+ Ka7 Nc6+ Ka6 Be4 c1=N Nd4 Ka7 Nxe6 Nb3 Rb7+ Ka6 Nc7+ Ka5 Rxb3 Ka4 Bc2 Nd2 Rb5+ Nb3 Bxb3#
32    #13!  546.8M  0:24.28  Rb4+!
32  +91.94!  546.8M  0:24.28  Rb4+!
32  +81.12!  546.8M  0:24.28  Rb4+!
32  +75.53!  546.8M  0:24.28  Rb4+!
32  +70.52!  546.8M  0:24.28  Rb4+!
32  +66.26!  546.7M  0:24.28  Rb4+!
32  +62.79!  546.5M  0:24.27  Rb4+!
32  +60.06!  546.4M  0:24.27  Rb4+!
32  +58.00!  546.3M  0:24.26  Rb4+!
32  +56.46!  546.2M  0:24.26  Rb4+!
32  +55.37!  545.9M  0:24.25  Rb4+!
32  +54.64!  545.2M  0:24.22  Rb4+!
31  +53.90   433.2M  0:19.39  Nxe6 c1=R Rc7+ Kb8 Rxc1 e2 Bf3 Bb6 Bxe2 Ng3 Bf3 g4 Bg2 Nf6 Rc6 Ba7 Rd6 Nfe4 Rd8+ Kb7 Rd3 a2 Ra3 Kb6 Rxa2 Nf5 Rb2+ Ka5 Nd8 Ned6+ Ke6 Bc5 Nb7+ Nxb7 Kxf5 Nd6+ Kxg4 Nc4 Ra2+ Kb4 Kg5 Be3+ Kg6 Kc3 Bh3 Kd4 Ra1 Kd3 Re1 Kd2
Parent - - By MrKris (**) Date 2019-07-01 13:48
k2N4/1R3Kpn/4p3/6p1/8/p3p3/2p5/5nbB w - - 0 1

Yours took 1 minute for #10, 35 plies 428M nodes:
Vinvin - 4 cores at 4 Ghz. Stockfish_x64_bmi2-20190614:
35/77  01:00   428.214k  7.021k  +M10  1.Rb4+ Ka7 2.Nc6+ Ka6 3.Be4 c1N 4.Nd4 Ka7 5.Bb7 Kb8 6.Ba6+ Kc7 7.Ke7 Nf8 8.Rb7+ Kc8 9.Ra7+ Kb8 10.Nc6+

His last output was at 35.73 seconds  with still #11, 44 plies 901M nodes:
McBrain - #251 by -dev-McCain default settings 12 cores/ 23 threads
44    #11   900.9M  0:35.73  Rb4+ Ka7 Nc6+ Ka6 Be4 c1=N Nd4 Ka7 Nxe6 Nb3 Rb7+ Ka6 Nc7+ Ka5 Rxb3 Ka4 Bc2 Nd2 Rb5+ Nb3 Bxb3#
< 2 mins. on my classic collectable CPU, 36 plies 467M nodes:
FEN: k2N4/1R3Kpn/4p3/6p1/8/p3p3/2p5/5nbB w - - 0 1
Stockfish_19062209c0: Found 510 tablebases; AMD Phenom II X6 3.2GHz (6 cores, no HT/SMT)
*33/87  01:26   349,873k  4,022k  +0.26  1.Nxe6 c1R 2.Rc7+ Kb8 3.Rxc1 e2 4.Bf3 Bb6 5.Bxe2 Ne3 6.Ra1 Nf6 7.Rxa3 g4 8.Bb5 Kb7 9.Rc3 g3 10.Bc6+ Kc8 11.Rc1 Nfg4 12.Ke7 Nf5+ 13.Ke8 Nf6+ 14.Kf7 Ng4 15.Bf3+ Kb8 16.Bh1 Nfe3 17.Rb1 Nc4 18.Kxg7 Nge3 19.Nf4 Kc7 20.Rb3 Kd6 21.Rd3+ Kc7 22.Kf6 Kc8
*34/81+  01:52   461,042k  4,084k  +0.35  1.Rb4+
 34/81+  01:53   465,891k  4,101k  +M17  1.Rb4+
 34/81  01:53   465,950k  4,101k  +M11  1.Rb4+ Ka7 2.Nc6+ Ka6 3.Be4 c1N 4.Nd4 Ka7 5.Nxe6 Nd3 6.Rb7+ Ka6 7.Nc7+ Ka5 8.Bxd3 Nd2 9.Rb5+ Ka4 10.Bc2+ Nb3 11.Bxb3+
 35/22  01:53   466,902k  4,105k  +M11  1.Rb4+ Ka7 2.Nc6+ Ka6 3.Be4 c1N 4.Nd4 Ka7 5.Nxe6 Nd3 6.Rb7+ Ka6 7.Nc7+ Ka5 8.Bxd3 Nd2 9.Rb5+ Ka4 10.Bc2+ Nb3 11.Bxb3+
 36/20  01:53 << 467,005k  4,106k  +M10 << 1.Rb4+ Ka7 2.Nc6+ Ka6 3.Be4 c1N 4.Nd4 Ka7 5.Bb7 Kb8 6.Ba6+ Kc7 7.Ke7 Nf8 8.Rb7+ Kc8 9.Ra7+ Kb8 10.Nc6+
 37/20  01:53   467,647k  4,109k  +M10  ...
Parent - By McBrain (*) Date 2019-07-05 01:35
Current dev McCain (with Lc0 style output, i.e., scoring %)
k2N4/1R3Kpn/4p3/6p1/8/p3p3/2p5/5nbB w - - 0 1


dep  score  nodes  time  (not shown:  tbhits  knps  seldep)
31    #10   334.3M  0:14.64  Rb4+ Ka7 Nc6+ Ka6 Be4 c1=N Nd4 Ka7 Bb7 Kb8 Ba6+ Kc7 Ke7 Nf8 Rb7+ Kc8 Ra7+ Kb8 Nc6#
30    #10   331.5M  0:14.54  Rb4+ Ka7 Nc6+ Ka6 Be4 c1=N Nd4 Ka7 Bb7 Kb8 Ba6+ Kc7 Ke7 Nf8 Rb7+ Kc8 Ra7+ Kb8 Nc6#
29    #10   322.9M  0:14.22  Rb4+ Ka7 Nc6+ Ka6 Be4 c1=N Nd4 Ka7 Bb7 Kb8 Ba6+ Ka7 Bc4 Bh2 Nc6+ Ka8 Ba6 a2 Bb7#
29    #12!  322.9M  0:14.22  Rb4+!
29  +92.86!  322.9M  0:14.22  Rb4+!
29  +88.01!  322.9M  0:14.22  Rb4+!
29  +81.35!  322.9M  0:14.22  Rb4+!
29  +75.41!  322.7M  0:14.22  Rb4+!
29  +69.97!  322.4M  0:14.20  Rb4+!
29  +65.29!  320.7M  0:14.13  Rb4+!
29  +61.48!  319.7M  0:14.09  Rb4+!
29  +58.48!  319.0M  0:14.06  Rb4+!
29  +56.18!  317.7M  0:14.00  Rb4+!
29  +54.47!  316.5M  0:13.95  Rb4+!
29  +53.78?  256.9M  0:11.44  Nxe6 c1=Q?
29  +53.86?  241.4M  0:10.79  Nxe6 c1=Q?
28  +55.12   179.3M  0:07.76  Nxe6 c1=R Rc7+ Kb8 Rxc1 e2 Bf3 Nd2 Bxe2 Be3 Ra1 g4 Rxa3 Ng5+ Ke7 Nxe6 Kxe6 Bf4 Bxg4 g5 Be2 Ne4 Bf3 Nc5+ Kf5 g4 Bg2 Bd6 Ra8+ Kc7 Rh8 Kd7 Rh7+ Be7 Bh1 g3 Rh6 Nb3 Bd5 Nd4+ Ke4 g2 Rg6
28  +54.80?  170.3M  0:07.26  Nxe6 c1=R?
27  +55.45   146.8M  0:06.02  Nxe6 c1=R Rc7+ Kb8 Rxc1 e2 Bf3 Nd2 Bxe2 Be3 Ra1 g4 Rxa3 Ng5+ Nxg5 Bxg5 Bxg4 Kc7 Ke6 Bf6 Ra2 Nb1 Re2 Nc3 Re1 Na2 Kf5 Nc3 Re8 Kd7
27  +55.41!  131.2M  0:05.35  Nxe6!
27  +53.94!  116.4M  0:04.71  Nxe6!
27  +52.92!  97.6M    0:03.93  Rb1+!
27  +52.26?  87.5M    0:03.52  Rb1+ Ka7?
26  +52.92   70.6M    0:02.85  Rb1+ Ka7 Nc6+ Ka6 Rxf1 Bf2 Nd4 g4 Kxe6 Nf6 Ra1 Kb6 Nxc2 e2 Rxa3 e1=Q+ Nxe1 Bxe1 Ra1 Bd2 Ra2 Bh6 Ke5 Kc5 Rc2+ Kb4 Kf5 Kb3 Rc8 Be3 Rc7 Bh6 Kg6 Kb2 Ba8
25  +52.43   56.2M    0:02.27  Rb1+ Ka7 Nc6+ Ka6 Rxf1 Bf2 Nd4 g4 Kxe6 Nf6 Ra1 Kb6 Nxc2 e2 Rxa3 e1=Q+ Nxe1 Bxe1 Ra1 Bd2 Ra2 Bh6 Ke5 Kc5 Rc2+ Kb4 Kf5 Kb3 Rc5 g3 Bg2 Be3 Rc6 Bh6 Kg6 Kb2 Rc7 Kb3 Rc8 Be3 Kxg7
24  +52.79   40.0M    0:01.62  Rb1+ Ka7 Nc6+ Ka6 Rxf1 Bf2 Nd4 g4 Kxe6 Kb6 Nxc2 Nf6 Ra1 e2 Rxa3 e1=Q+ Nxe1 Bxe1 Re3 Bb4 Re5 Bd2 Re2 Bh6 Ke5 Nh5 Rg2 g3 Ke4 Kc7 Kf3 g6 Ra2 Kd6 Kg4 Ke5 Ra4 Nf6+ Kxg3
23  +52.88   32.5M    0:01.32  Rb1+ Ka7 Nc6+ Ka6 Rxf1 Bf2 Nd4 g4 Kxe6 Kb6 Nxc2 Nf6 Ra1 e2 Rxa3 e1=Q+ Nxe1 Bxe1 Re3 Bb4 Re5 Bd2 Re2 Bh6 Ke5 Nh5 Rg2 g3 Ke4 Kc7 Kf3 g6 Ra2
22  +52.43   31.6M    0:01.28  Rb1+ Ka7 Nc6+ Ka6 Rxf1 Bf2 Nd4 g4 Kxe6 Kb6 Nxc2 Nf6 Ra1 e2 Rxa3 e1=Q+ Nxe1 Bxe1 Kf5 Kc5 Ra7 g3 Re7 Bf2 Rc7+ Kd6 Rc6+ Ke7 Kf4 Kf8 Rc8+ Kf7 Bg2 Ke6 Kf3 Nd5
21  +53.37   20.3M    0:00.83  Rb1+ Ka7 Nc6+ Ka6 Rxf1 Bf2 Nd4 g4 Kxe6 Nf6 Rc1 a2 Ra1 Kb6 Nxc2 e2 Rxa2 Kc5 Ra5+ Kc4 Re5 Kd3 Kf5 g3 Bg2 Kxc2 Rxe2+ Kb3 Kf4 Kc4 Rd2 Kc3 Rd8 Kc4 Kf3 Kc3 Rb8 Nd7 Rc8+ Kd4
20  +52.96   15.8M    0:00.66  Rb1+ Ka7 Nc6+ Ka6 Rxf1 Bf2 Nd4 g4 Kxe6 Nf6 Ra1 Kb6 Nxc2 e2 Rxa3 e1=Q+ Nxe1 Bxe1 Ra1 Bd2 Ra2 Bh6 Ke5 Kc7 Ra7+ Kb6 Rb7+ Kc5 Bg2 g3 Rc7+ Kb6 Rc6+ Kb5
19  +54.06   9.26M    0:00.40  Rb1+ Ka7 Nc6+ Ka6 Rxf1 Bf2 Nd4 g4 Kxe6 Kb6 Rc1 a2 Ra1 Kc5 Nxc2 Nf6 Rxa2 e2 Ra5+ Kc4 Re5 Kd3 Kf5 Kd2 Bg2 Bh4 Re6 g3 Kf4 Kxc2 Rxe2+ Kd3
18  +53.20   8.99M    0:00.39  Rb1+ Ka7 Nc6+ Ka6 Rxf1 Bf2 Nd4 g4 Kxe6 Nf6 Rc1 a2 Ra1 Kb6 Nxc2 e2 Rxa2 Kc5 Ra5+ Kc4 Re5 Kd3 Kf5 Kd2 Bb7 Nd7 Re7 Nc5
17  +53.37   8.19M    0:00.36  Rb1+ Ka7 Nc6+ Ka6 Rxf1 Bf2 Nd4 g4 Kxe6 Nf6 Rc1 a2 Ra1 Kb6 Nxc2 e2 Rxa2 Kc5 Ra4 e1=Q+ Nxe1 Bxe1 Ra7 Nh5 Ba8 g3 Kf5 Kd4 Re7 Bb4 Re4+ Kc3 Rh4 Nf6
16  +53.37   8.01M    0:00.35  Rb1+ Ka7 Nc6+ Ka6 Rxf1 Bf2 Nd4 g4 Kxe6 Kb6 Nxc2 Nf6 Ra1 e2 Kf5 Kb5 Bg2 a2 Rxa2 Kc4 Ra3 e1=Q Nxe1
15  +55.41   3.48M    0:00.17  Rb1+ Ka7 Nc6+ Ka6 Rxf1 Bf2 Nd4 g4 Kxe6 Ng5+ Kd5 Nf3 Nxc2 Kb5 Rb1+ Ka5 Ra1 e2 Rxa3+ Kb5 Ra2 Nd2 Rb2+ Ka6 Rb4 e1=Q Nxe1 Bxe1 Rxg4
14  +54.31   2.29M    0:00.12  Rb1+ Ka7 Nc6+ Ka6 Rxf1 Bf2 Nd4 g4 Kxe6 Nf6 Ra1 Kb6 Kf5 a2 Nxc2 e2 Rxa2 e1=R Nxe1 Bxe1 Rc2 Bb4 Rc6+ Kb5 Rc7
13  +54.06   1.33M    0:00.08  Rb1+ Ka7 Nc6+ Ka6 Rxf1 Bf2 Nd4 g4 Kxe6 Kb6 Nxc2 a2 Kf5 e2 Ra1 Nf6 Kf4 Kc5 Rxa2 e1=Q Nxe1 Bxe1
12  +54.35   1.16M    0:00.07  Rb1+ Ka7 Nc6+ Ka6 Rxf1 Bf2 Nd4 g4 Kxe6 a2 Nxc2 e2 Ra1 Kb6 Kf5 Nf6 Kf4 Kc5 Rxa2 e1=Q Nxe1 Bxe1
11  +54.72   1.10M    0:00.07  Rb1+ Ka7 Nc6+ Ka6 Rxf1 Bf2 Nd4 g4 Kxe6 Kb6 Nxc2 a2 Nd4 Kc5 Ke5 Nf6 Rc1+ Kb4
10  +54.02   413199  0:00.03  Rb1+ Ka7 Nc6+ Ka6 Rxf1 Bf2 Nb4+ Kb5 Nxc2 g4 Kxg7 Ng5 Kf6 Nf3 Ra1 e2 Rxa3 e1=Q Nxe1
  9  +57.87   110970  0:00.00  Rb1+ Ka7 Nc6+ Ka8 Nb4+ Ka7 Rxf1 Bh2 Nxc2
  8  +54.31   98296    0:00.00  Rb1+ Ka7 Nc6+ Ka6 Rxf1 Bh2 Nb4+ Ka5 Nxc2 e2 Ra1
  7  +50.00   55230    0:00.00  Rb1+ Ka7 Nc6+ Ka6 Nb8+ Ka7
  6  +50.00   52289    0:00.00  Rb1+ Ka7 Nc6+ Ka6 Nb8+ Ka7
  5  +45.04   41498    0:00.00  Rb1+ Ka7 Nc6+ Ka6 Rxf1
  4  +57.23   9445      0:00.00  Rb1+ Ka7 Rxf1 e2 Rxg1
  3  +58.16   6194      0:00.00  Rb1+ Ka7 Rxf1 Ka6
  2  +33.19   4967      0:00.00  Rb1+ Ka7 Rxf1
  1  +33.19   3701      0:00.00  Rb1+ Ka7 Rxf1
  1  Found 1511 tablebases
Parent - - By dorszcz (**) Date 2019-08-27 16:24
Crystal 260819 - 236 out of 287 = 82.2%

Amazing result!
Parent - - By dorszcz (**) Date 2019-08-30 20:18
MateFinder 260819 - 221 out of 287 = 77.0%
Parent - - By dorszcz (**) Date 2019-08-31 12:36
I updated and simplified my site. Now it is easier to read the results.
http://dorszcz.blogspot.com/
Parent - - By Akbarfan (***) Date 2019-09-19 11:51
Download:  ACT2 - soon

soon ?
Parent - - By dorszcz (**) Date 2019-09-19 13:54
Last minor changes are being made.
Probably it will be released this week.
Parent - - By dorszcz (**) Date 2019-09-29 12:23
This test (ACT with 287 positions) is going to be revised in near future. I found some small inaccuracies and some positions that can be solved by luck. I will repair it and also remove some of the easiest positions.
Parent - - By Akbarfan (***) Date 2019-10-19 15:43
Is your ACT1-B  not ready for download yet?

Because i saw your testrun on your homepage.

141 out of 184 = 76.6%   -   Crystal 260819
132 out of 184 = 71.7%   -   MateFinder 260819
132 out of 184 = 71.7%   -   CorChess 3.1 260819
128 out of 184 = 69.5%   -   Eman 4.00
....
Parent - By dorszcz (**) Date 2019-10-19 16:45
It's ready, but not published yet. The last verification is currently ongoing.

The link to old ACT with 287 positions is deleted, I don't recommend using it because the revised version ACT1-B is just clearly better. The results are much more reliable. It's the same test but better, no new positions are added, there are only deletions. The old ACT had some inaccuracies, missing alternative solutions that proved to be too easy after correction, a few faulty solutions, several positions that could be solved by luck and several that were just too easy when during preparation I extended time limit a little bit for weaker engines.

When I release it I will create new topic. It will be very soon, maybe today or tomorrow.
Up Topic The Rybka Lounge / Test Positions / Alternative Chess Test

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