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Up Topic The Rybka Lounge / Test Positions / Hard puzzle for stockfish
- - By QueensideCastler (**) Date 2019-04-13 05:42 Upvotes 1
k7/p7/P5Pp/K4P1P/3p3P/3P4/ppBN1b2/8 w - - 0 1


[Event "64 @2"]
[Site "?"]
[Date "1936.??.??"]
[Round "?"]
[White "Smyslov=V"]
[Black "(+0041.65a5a8)"]
[Result "1-0"]
[SetUp "1"]
[FEN "k7/p7/P5Pp/K4P1P/3p3P/3P4/ppBN1b2/8 w - - 0 1"]
[PlyCount "17"]
[EventDate "1936.??.??"]

{EG#07672 @2: Campioli=M HHdbIV 3-4-2010} 1. Bb1 $1 (1. Nb1 $2 a1=Q+ 2. Kb5 Qa2
) (1. g7 $2 a1=Q+ 2. Kb5 Qg1) 1... a1=Q+ 2. Kb5 Bg3 (2... Qa3 3. g7) 3. g7 Bb8
$1 4. g8=B $1 (4. g8=Q $2 Qa4+ 5. Kxa4) 4... Bf4 5. Bga2 Bxd2 (5... Be5) 6. f6
$1 Bf4 7. f7 (7. Kc6 $1 {<cook MC>}) 7... Bd6 8. Kc6 Bf8 9. Kc7 1-0

Parent - By Master Om (Bronze) Date 2019-04-14 16:38 Upvotes 1
[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "?"]
[Black "?"]
[Result "*"]
[Analysis "Komodo 12.X x64 MCTS"]
[AnalysisTime "264"]
[FEN "k7/p7/P5Pp/K4P1P/3p3P/3P4/ppBN1b2/8 w - - 0 1"]
[SetUp "1"]

1. Bb1 a1=Q+ 2. Kb5 Bg3 3. g7 Bb8 4. f6 Qa3 5. Nc4 Qb3+ 6. Kc5 Qa4 7. Ba2 b1=R
8. Bxb1 Qd7 9. Kb4 Bd6+ 10. Kb3 Qb5+ 11. Ka2 Qxa6+ 12. Kb2 Qb5+ 13. Kc2 Qa4+
14. Kb2 {(0:04:24) 8343kN}{[%eval 264,33,Komodo 12.X x64 MCTS][%meval 264s]} *
Parent - By MrKris (**) Date 2019-04-15 20:20 Edited 2019-04-15 20:42

[Event "4.g8B! @ clock 00:32 seconds"]
[Site "G/6'+0 = SOLVED !!   AMD PhII X6"]
[Date "2019.04.15"]
[Round "?"]
[White "Stockfish_19041317"]
[Black "vs. human entered solution moves"]
[Result "1-0"]
[Time "10:12:06"]
[WhiteElo "2000"]
[TimeControl "360+0"]
[SetUp "1"]
[FEN "k7/p7/P5Pp/K4P1P/3p3P/3P4/ppBN1b2/8 w - - 0 1"]
[Termination "normal"]
[PlyCount "23"]
[WhiteType "program"]
[BlackType "human"]

1. Bb1 (Bb1 a1=Q Kb5 Bg3 g7 Bb8 f6 Qa3 Nc4 Qb3 Kc5 Qa4 Ba2 b1=Q Bxb1 Qd7
g8=Q Qc8 Qxc8) {0.00/34 7secs.} a1=Q+ 2. Kb5 (Kb5 Bg3 g7 Bb8 f6 Qa3 Nc4 Qb3 Kc5
Qa4 Ba2 b1=Q Bxb1 Qe8 Kb4 Qe6 Ba2 Qxf6 g8=Q Qe7 Kb5 Qb4 Kxb4) {0.00/38 3}
Bg3 3. g7 (g7 Bb8 Kb4 Bd6 Kb5) {0.00/38 3} Bb8 4. g8=B {!! 7+3+3+19=32 secs. used} (g8=B Be5 Bga2 Kb8
Ne4 Kc7 f6 Kd8 f7 Bg7 Nc5 Ke7 Nb3 Kxf7 Nxa1 Kf8 Nb3 Bf6 Na5 Bd8 Nc6 Bb6 Be6
Kg7 Kc4 Kf8 Nxd4 Ke7 Bh3 Kd8 Nf5 Bf2 Kb3 Ke8 Kxb2 Be1 d4 Bd2 Bd3 Be1 Bg2
Bf2 Bde4 Kd8 Bb1 Kc7 Bd3) {+11.49/40 19} Bf4 5. Bga2 (Bga2 Bg3 f6 Bxh4 f7
Be7 Nb3 Kb8 Nc5 Kc8 Ne6 Qxa2 Bxa2 Kd7 f8=Q Bxf8 Nxf8 Ke7 Ng6 Kf6 Nh4 Kg5
Nf3 Kxh5 Nxd4 Kg5 Nc6 h5 Nxa7 h4 Nc8 b1=B Bxb1 Kh6 a7) {+11.49/27 3} Bxd2
6. f6 (f6 Qxa2 Bxa2 b1=Q Bxb1 Bc1 f7 Ba3 Kc6 Kb8 Kd7 Bc5 Ke8 Kc7 f8=Q Bxf8
Kxf8 Kd6 Kg7 Ke6 Kg6 Ke7 Ba2 Kd6 Kxh6 Kd7 Kg6 Kd6 h6 Kc5 h7 Kb4 h8=Q Kc3
Bb1 Kb2 Qxd4 Kxb1 Qxa7 Kc1 d4 Kc2 Qf7 Kd2 a7 Ke2) {+149.44/47 2} Bf4 7. Kc6
(Kc6 Qxa2 Bxa2 b1=Q Bxb1 Be5 f7 Bg7 Kc7 Be5 Kc8 Bg7 Ba2 Be5 Bd5) {+M8/118
2} Bd6 8. Kxd6 (Kxd6 Qxa2 Bxa2 b1=Q Bxb1 Kb8 f7 Kc8 f8=Q) {+M5/127 0} Qxa2
9. Bxa2 (Bxa2 b1=Q Bxb1 Kb8 f7 Kc8 f8=Q) {+M4/127 0} b1=Q 10. Bxb1 (Bxb1
Kb8 f7 Kc8 f8=Q) {+M3/127 0} Kb8 11. f7 (f7 Kc8 f8=Q) {+M2/127 0} Kc8 12.
f8=Q# (f8=Q) {+M1/127 0} 1-0


Infinite from the start position: no mate announcement but it suspects a win starting at 2 mins.:
FEN: k7/p7/P5Pp/K4P1P/3p3P/3P4/ppBN1b2/8 w - - 0 1 
Stockfish_19041317: amd phIIx6 Found 510 tablebases
 1/1  00:00   1k  509k  -2.64  1.g7 a1Q+ 2.Kb4
...
 34/10  00:07   34,951k  4,967k   0.00  1.Bb1 a1Q+ 2.Kb5 Bg3 3.g7 Bb8 4.g8Q Qa5+ 5.Kxa5
...
 52/10  01:43   653,324k  6,336k   0.00  1.Bb1 a1Q+ 2.Kb5 Bg3 3.g7 Bb8 4.g8Q Qa5+ 5.Kxa5
...
 53/64+  02:03   838,711k  6,786k  +1.15  1.Bb1   <<<
 53/64+  02:05   856,073k  6,829k  +1.61  1.Bb1
 53/64+  02:07   878,078k  6,877k  +2.23  1.Bb1
 53/64+  02:12   919,376k  6,939k  +3.01  1.Bb1
 53/64+  02:23   1,015,914k  7,070k  +4.01  1.Bb1
 53/64+  02:51   1,260,626k  7,353k  +5.28  1.Bb1
 53/64+  03:14   1,477,661k  7,594k  +6.89  1.Bb1
 53/64+  03:40   1,715,700k  7,779k  +8.92  1.Bb1
 53/71+  04:12   2,008,734k  7,940k  +11.49  1.Bb1
 53/86  04:50   2,352,465k  8,105k  +13.67  1.Bb1 a1Q+ 2.Kb5 Bg3 3.g7 Bb8 4.g8B Bg3 5.Bd5+ Kb8 6.Bda2 Kc7 7.Ne4 Be1 8.f6 Bxh4 9.Kc5 Kd7 10.Kxd4 Be1 11.Kd5 Bh4 12.Ke5 Be1 13.Nc5+ Kc6 14.d4 Bg3+ 15.Ke6 Bd6 16.Nb7 Bf8 17.d5+ Kb5 18.d6 Ka4 19.d7 Ka3 20.d8Q Qxa2+ 21.Bxa2 Kxa2 22.Qa5+ Kb3 23.Qd5+ Ka3 24.Qf5 Ka2 25.Qc2 Ka1 26.Qa4+ Kb1 27.Na5 Kc1 28.Nb3+ Kc2 29.Qc4+ Kd1 30.Nd4 Kd2 31.Qc2+ Ke3 32.Qxb2
 54/86  05:00   2,442,500k  8,142k  +13.67  1.Bb1 a1Q+ 2.Kb5 Bg3 3.g7 Bb8 4.g8B Bg3 5.Bd5+ Kb8 6.Bda2 Kc7 7.Ne4 Be1 8.f6 Bxh4 9.Kc5 Kd7 10.Kxd4 Be1 11.Kd5 Bh4 12.Ke5 Be1 13.Nc5+ Kc6 14.d4 Bg3+ 15.Ke6 Bd6 16.Nb7 Bf8 17.d5+ Kb5 18.d6 Ka4 19.d7 Ka3 20.d8Q Qxa2+ 21.Bxa2 Kxa2 22.Qa5+ Kb3 23.Qd5+ Ka3 24.Qf5 Ka2 25.Qc2 Ka1 26.Qa4+ Kb1 27.Na5 Kc1 28.Nb3+ Kc2 29.Qc4+ Kd1 30.Nd4 Kd2 31.Qc2+ Ke3 32.Qxb2
Up Topic The Rybka Lounge / Test Positions / Hard puzzle for stockfish

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