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Up Topic The Rybka Lounge / Test Positions / Hard position
- - By darmar (**) [rs] Date 2017-08-04 22:31 Upvotes 2
Black to move and WIN
8/4r1pk/2B5/1P3P2/2PrPb1p/6qP/1R1p2P1/3R2QK b - - 0 47
Parent - By darmar (**) [rs] Date 2017-08-05 13:11
If     G A R G A M E L   doesn't believe it's -+ position
put black move Ra7!! and try again Houdini 5
Parent - - By Peter Grayson (****) [gb] Date 2017-08-05 14:28
Komodo is fastest ...

68: Hard move
8/4r1pk/2B5/1P3P2/2PrPb1p/6qP/1R1p2P1/3R2QK b - - 0 1


Analysis by Komodo 11.2.2 64-bit:

1...Rd3 2.f6 gxf6
  =  (0.11 ++)   Depth: 7   00:00:00  587kN
1...Rd3 2.f6 gxf6 3.c5 Kg7 4.Bd5 Rc3
  =  (0.15)   Depth: 7   00:00:00  589kN
1...Rd3 2.f6 gxf6
  =  (0.00 ++)   Depth: 8   00:00:00  592kN
1...Rd3 2.f6 gxf6 3.c5 Be3 4.Qf1 Bf4 5.Qg1
  =  (0.00)   Depth: 8   00:00:00  595kN
1...Rd3 2.f6 gxf6 3.c5 Be3 4.Qf1 Bf4 5.Qg1
  =  (0.00)   Depth: 9   00:00:00  605kN
1...Rd3 2.f6 gxf6 3.c5 Be3 4.Qf1 Bf4 5.Qg1
  =  (0.00)   Depth: 10   00:00:00  614kN
1...Rd3 2.Rbb1
  =  (0.09 --)   Depth: 11   00:00:00  716kN
1...Be3 2.Qf1 Bf4 3.Qg1
  =  (0.00)   Depth: 11   00:00:00  765kN
1...Be3 2.Qf1 Bf4 3.Qg1
  =  (0.00)   Depth: 12   00:00:00  774kN
1...Be3 2.Qf1 Bf4 3.Qg1
  =  (0.00)   Depth: 13   00:00:00  787kN
1...Be3 2.Qf1 Bf4 3.Qg1
  =  (0.00)   Depth: 14   00:00:00  810kN
1...Be3 2.Qf1 Bf4 3.Qg1
  =  (0.00)   Depth: 15   00:00:00  835kN
1...Be3 2.Rb3
  =  (0.06 --)   Depth: 16   00:00:00  930kN
1...Be3 2.Rb3
  =  (0.14 --)   Depth: 16   00:00:00  1092kN
1...Be3 2.Rb3
  =  (0.25 --)   Depth: 16   00:00:00  1182kN
1...Be3 2.Rb3
  +/=  (0.40 --)   Depth: 16   00:00:00  1263kN
1...Be3 2.Rb3
  +/=  (0.61 --)   Depth: 16   00:00:00  1308kN
1...Be3 2.Rb3
  +/-  (0.90 --)   Depth: 16   00:00:00  1592kN, tb=251
1...Rdxe4 2.Bxe4 Be3 3.Rb3 Bxg1 4.Rxg3 hxg3 5.Kxg1 Rxe4 6.Kf1 Rxc4 7.Rxd2 Rb4 8.Rd5 Rb2 9.b6 Rxb6 10.Ke2 Kh6 11.h4 Kh5 12.f6+ Kxh4 13.f7 Rf6
  +/=  (0.62)   Depth: 16   00:00:00  1969kN, tb=301
1...Rdxe4 2.Bxe4
  +/=  (0.68 --)   Depth: 17   00:00:00  2018kN, tb=309
1...Rdxe4 2.Bxe4 Be3 3.Rb3 Bxg1 4.Rxg3 hxg3 5.Kxg1 Rxe4 6.Kf1 Rxc4 7.Rxd2 Rb4 8.Rd5 Rb2 9.b6 Rxb6 10.Ke2 Kh6 11.Kf3 Kg5 12.Kxg3 Rb3+ 13.Kf2 Kf4 14.Kg1
  +/=  (0.69)   Depth: 17   00:00:00  2141kN, tb=314
1...Rdxe4 2.Bxe4 Be3
  +/=  (0.63 ++)   Depth: 18   00:00:00  2519kN, tb=452
1...Rdxe4 2.Bxe4 Be3 3.Rb3 Bxg1 4.Rxg3 hxg3 5.Kxg1 Rxe4 6.Kf1 Rxc4 7.Rxd2 Rb4 8.Rd5 Rb2 9.b6 Rxb6 10.Ke2 Kh6 11.Kf3 Kg5 12.Kxg3 Rb3+ 13.Kf2 Kf4 14.Rd7 Rb2+ 15.Kg1
  +/=  (0.65)   Depth: 18   00:00:00  2565kN, tb=453
1...Rdxe4 2.Bxe4 Be3 3.Rb3 Bxg1 4.Rxg3 hxg3 5.Kxg1 Rxe4 6.Kf1 Rxc4 7.Rxd2 Rb4 8.Rd5 Rb2 9.b6 Rxb6 10.Ke2 Kh6 11.Kf3 Kg5 12.Kxg3 Rb3+ 13.Kf2 Kf4 14.Rd7 Rb2+ 15.Kg1 Kxf5
  +/=  (0.65)   Depth: 19   00:00:00  2951kN, tb=794
1...Rxc4 2.b6
  +/=  (0.59 ++)   Depth: 19   00:00:00  3049kN, tb=851
1...Rxc4 2.Rbxd2 Be3
  +/=  (0.50 ++)   Depth: 19   00:00:00  3146kN, tb=851
1...Rxc4 2.Bd5 Be3
  +/=  (0.39 ++)   Depth: 19   00:00:00  3292kN, tb=851
1...Rxc4 2.Bd5 Be3
  =  (0.21 ++)   Depth: 19   00:00:00  3384kN, tb=853
1...Rxc4 2.Rbxd2 Be3 3.Rd3 Bxg1 4.Rxg3 hxg3 5.Kxg1 Rb4 6.Kf1 Rb2 7.Ra1 Rf2+ 8.Ke1 Rxg2 9.Ra3 Re5 10.Kf1 Rb2 11.Bd5 Rf2+ 12.Kg1 Rb2 13.Rxg3 Rxb5 14.Rg4 Rb6 15.Kg2
  +/=  (0.32)   Depth: 19   00:00:00  3972kN, tb=867
1...Rxc4 2.Rbxd2 Be3
  =  (0.26 ++)   Depth: 20   00:00:00  4208kN, tb=867
1...Rxc4 2.Rbxd2 Be3
  =  (0.16 ++)   Depth: 20   00:00:00  4273kN, tb=878
1...Rxc4 2.Rbxd2 Be3 3.Rd3 Bxg1 4.Rxg3 hxg3 5.Kxg1 Rb4 6.Kf1 Rb2 7.Ra1 Rf2+ 8.Ke1 Rxg2 9.Ra3 Kh6 10.Kf1 Rb2 11.Kg1 Kh5 12.Rxg3 Kh4 13.Rg2 Rb3 14.Kh2 Rxh3+ 15.Kg1 Rb3
  =  (0.07)   Depth: 20   00:00:00  4373kN, tb=881
1...Rxc4 2.Rbxd2
  =  (0.13 --)   Depth: 21   00:00:00  4524kN, tb=884
1...Rxc4 2.Rbxd2 Be3 3.Rd3 Bxg1 4.Rxg3 hxg3 5.Kxg1 Rb4 6.Ra1 Rb2 7.Kf1 Rf2+ 8.Ke1 Rxg2 9.Kf1 Rb2 10.Ra3 Re5 11.Bd5 Rxb5 12.Kg2 Rbxd5 13.exd5 Rxd5 14.Rf3 Kh6 15.h4 Kh5 16.Kxg3
  =  (0.13)   Depth: 21   00:00:00  4989kN, tb=895
1...Rxc4 2.Rbxd2 Be3 3.Rd3 Bxg1 4.Rxg3 hxg3 5.Kxg1 Rb4 6.Ra1 Rb2 7.Kf1 Rf2+ 8.Ke1 Rxg2 9.Kf1 Rb2 10.Ra3 Re5 11.Bd5 Rxb5 12.Kg2 Rbxd5 13.exd5 Rxd5 14.Rf3 Kh6 15.h4 Kh5 16.Kxg3
  =  (0.13)   Depth: 22   00:00:00  5280kN, tb=1006
1...Rxc4 2.Rbxd2 Be3 3.Rd3 Bxg1 4.Rxg3 hxg3 5.Kxg1 Rb4 6.Ra1 Rb2 7.Kf1 Rf2+ 8.Ke1 Rxg2 9.Kf1 Rb2 10.Kg1 Kh6 11.Ra3 Kg5 12.Rxg3+ Kh4 13.Rf3 Ra7 14.e5 Kg5 15.h4+ Kxh4 16.Rf2 Rxf2 17.Kxf2 Kg4
  =  (0.12)   Depth: 23   00:00:00  5888kN, tb=1519
1...Rxc4 2.Rbxd2 Be3
  =  (0.06 ++)   Depth: 24   00:00:00  6852kN, tb=2169
1...Rxc4 2.Rbxd2 Be3 3.Rd3 Bxg1 4.Rxg3 hxg3 5.Kxg1 Rb4 6.Ra1 Rb2 7.Kf1 Rf2+ 8.Ke1 Rxg2 9.Ra3 Kh6 10.Kf1 Rb2 11.Kg1 Kg5 12.Rxg3+ Kh4 13.Rf3 Ra7 14.e5 Kg5 15.h4+ Kxh4 16.Rf2 Ra1+ 17.Kg2 Raa2
  =  (0.07)   Depth: 24   00:00:00  6870kN, tb=2169
1...Rdxe4 2.Bxe4 Rxe4 3.Rbb1 Re2 4.c5 Be3 5.Qf1 Rf2 6.Qg1 Bxc5 7.b6 Re2 8.Qf1 Rf2 9.Qg1
  =  (0.00)   Depth: 24   00:00:00  8864kN, tb=2187
1...Rdxe4 2.Bxe4 Rxe4 3.Rbb1 Re2 4.Ra1 Be3 5.Qf1 Rf2 6.Qg1 Bd4 7.Rab1 Re2 8.Qf1 Rf2 9.Qg1
  =  (0.00)   Depth: 25   00:00:00  10822kN, tb=2200
1...Rdxe4 2.Bxe4 Rxe4 3.Rbb1 Re2 4.b6 Be3 5.Qf1 Bf4 6.Qg1
  =  (0.00)   Depth: 26   00:00:01  13380kN, tb=2329
1...Rdxe4 2.Bxe4 Rxe4 3.Rbb1 Re2 4.b6 Be3 5.Qf1 Bf4 6.Qg1
  =  (0.00)   Depth: 27   00:00:01  15021kN, tb=2390
1...Rdxe4 2.Bxe4 Rxe4 3.Rbb1 Re2 4.b6 Be3 5.Qf1 Bf4 6.Qg1
  =  (0.00)   Depth: 28   00:00:01  17430kN, tb=2482
1...Rdxe4 2.Bxe4 Rxe4 3.Rbb1 Re2 4.b6 Be3 5.Qf1 Bf4 6.Qg1
  =  (0.00)   Depth: 29   00:00:01  20117kN, tb=2708
1...Rdxe4 2.Bxe4 Rxe4 3.Rbb1 Re2 4.b6 Be3 5.Qf1 Bf4 6.Qg1
  =  (0.00)   Depth: 30   00:00:01  23680kN, tb=3150
1...Rdxe4 2.Bxe4 Rxe4 3.Rbb1 Re2 4.b6 Be3 5.Qf1 Bf4 6.Qg1
  =  (0.00)   Depth: 31   00:00:02  32615kN, tb=4032
1...Rdxe4 2.Bxe4 Rxe4 3.Rbb1 Re2 4.b6 Be3 5.Qf1 Bf4 6.Qg1
  =  (0.00)   Depth: 32   00:00:02  44714kN, tb=5299
1...Rdxe4 2.Bxe4 Rxe4 3.Rbb1 Re2 4.b6 Be3 5.Qf1 Bf4 6.Qg1
  =  (0.00)   Depth: 33   00:00:03  52148kN, tb=6768
1...Rdxe4 2.Bxe4 Rxe4 3.Rbb1 Re2 4.b6 Be3 5.Qf1 Bf4 6.Qg1
  =  (0.00)   Depth: 34   00:00:04  71444kN, tb=19793
1...Rdxe4 2.Bxe4 Rxe4 3.Rbb1 Re2 4.b6 Be3 5.Qf1 Bf4 6.Qg1
  =  (0.00)   Depth: 35   00:00:05  98738kN, tb=46584
1...Rdxe4 2.Bxe4 Rxe4 3.Rbb1 Re2 4.b6 Be3 5.Qf1 Bf4 6.Qg1
  =  (0.00)   Depth: 36   00:00:07  131MN, tb=68570
1...Rdxe4 2.Bxe4 Rxe4 3.Rbb1 Re2 4.b6 Be3 5.Qf1 Bf4 6.Qg1
  =  (0.00)   Depth: 37   00:00:10  188MN, tb=131496
1...Rdxe4 2.Bxe4 Rxe4 3.Rbb1 Re2 4.b6 Be3 5.Qf1 Bf4 6.Qg1
  =  (0.00)   Depth: 38   00:00:12  236MN, tb=185334
1...Rdxe4 2.Bxe4 Rxe4 3.Rbb1 Re2 4.b6 Be3 5.Qf1 Bf4 6.Qg1
  =  (0.00)   Depth: 39   00:00:16  314MN, tb=231206
1...Ra7 2.Rbb1 Ra3
  =  (-0.06 ++)   Depth: 39   00:00:45  1114MN, tb=375013
1...Ra7 2.Rbb1 Ra3
  =  (-0.14 ++)   Depth: 39   00:00:53  1345MN, tb=397275
1...Ra7 2.Rbb1 Ra3
  =  (-0.25 ++)   Depth: 39   00:01:03  1597MN, tb=422077
1...Ra7 2.Rbb1 Ra3
  =/+  (-0.40 ++)   Depth: 39   00:01:14  1889MN, tb=442476
1...Ra7 2.Rbb1 Ra3
  =/+  (-0.61 ++)   Depth: 39   00:01:36  2464MN, tb=493765
1...Ra7 2.Rbb1 Ra3
  -/+  (-0.90 ++)   Depth: 39   00:02:03  3180MN, tb=536416
1...Ra7 2.Rbb1 Ra3
  -/+  (-1.30 ++)   Depth: 39   00:02:25  3780MN, tb=593102
1...Ra7 2.Rbb1 Ra3
  -+  (-1.86 ++)   Depth: 39   00:03:03  4823MN, tb=870189
1...Ra7 2.Rbb1 Ra3
  -+  (-2.64 ++)   Depth: 39   00:03:41  5913MN, tb=1513410
1...Ra7 2.Rbb1 Ra3
  -+  (-3.73 ++)   Depth: 39   00:05:08  8571MN, tb=3801566
1...Ra7 2.Rbb1 Ra3 3.b6 Rxc4 4.b7 Rxc6 5.Rxd2 Bxd2 6.b8Q Qxb8 7.Rxb8 Be3 8.Qf1 Rc1 9.Qxc1 Bxc1 10.Rb1 Bf4 11.Kg1 Ra2 12.Kf1 Bg3 13.e5 Rf2+ 14.Kg1 Rxf5 15.e6 Re5 16.Kf1 Rxe6 17.Rd1 Rf6+ 18.Kg1 Rf5 19.Rc1 Kh6 20.Rd1 Re5 21.Kf1 Kh7 22.Rc1 Re4 23.Ra1 Kh6 24.Rd1 Re6 25.Rc1 Re3 26.Rd1 Re4 27.Ra1
  -+  (-3.87)   Depth: 39   00:08:04  14868MN, tb=21826860

(Grayson, Newport, South Wales 05.08.2017)
Parent - - By Akbarfan (***) Date 2017-08-07 23:48
Can anyone with access to 7-men Lomonosov help me to verify the following positions?
Per Pos. the next four moves would be nice.
(With mate-announcement)

1) Black to move:
8/P7/4k3/8/5P2/4Bq2/5P2/5K2 b - - 0 1


2) White to move:
8/7r/1p6/p7/P7/2k5/8/3BK3 w - - 0 1


3) White to move:
8/8/4B3/6p1/7k/8/4pPKP/8 w - - 0 1


4) White to move:
3K4/4p3/4k3/8/Bp6/6b1/2P5/8 w - - 0 1
Parent - - By darmar (**) [rs] Date 2017-08-08 02:38 Edited 2017-08-08 02:41
1)
[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "?"]
[Black "?"]
[Result "0-1"]
[SetUp "1"]
[FEN "8/P7/4k3/8/5P2/4Bq2/5P2/5K2 b - -"]

1...Kf5 2.Ke1 Qd5 3.Ke2 Kg4 4.Bc5 Qe4+ 5.Kd2 Kxf4 6.Be3+ Kf3 7.Bb6 Qd5+ 8.Kc3
Ke2 9.Be3 Qe4 10.Bc5 Qd3+ 11.Kb4 Qf3 12.Kb5 Qb7+ 13.Kc4 Qc6 14.f4 Kf3 15.Kd3
Qd5+ 16.Bd4 Kxf4 17.Kc3 Ke4 18.Bg1 Kf3 19.Bd4 Ke2 20.Bg1 Qd3+ 21.Kb4 Qa6 22.
Kc3 Qa4 23.Bc5 Qe4 24.a8Q Qxa8 25.Kc4 Qd8 26.Bd4 Qg8+ 27.Kc5 Kd3 28.Bb2 Qc8+
29.Kd5 Qb7+ 30.Ke5 Qxb2+ 31.Kf5 Qe2 32.Kg5 Qf2 33.Kh5 Qg2 34.Kh6 Qg8 35.Kh5
Ke3 36.Kh4 Kf4 37.Kh3 Qg3# 0-1

2)
[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "?"]
[Black "?"]
[Result "0-1"]
[SetUp "1"]
[FEN "8/7r/1p6/p7/P7/2k5/8/3BK3 w - -"]

1.Be2 Re7 2.Kd1 Rxe2 3.Kxe2 Kb3 4.Kd2 Kxa4 5.Kc2 b5 6.Kb2 b4 7.Kc2 b3+ 8.Kc3
Ka3 9.Kd3 b2 10.Ke3 b1Q 11.Kf3 Qb4 12.Kg3 a4 13.Kf3 Kb3 14.Ke3 Qg4 15.Kd3 Qf4
16.Ke2 Kc3 17.Ke1 Kd3 18.Kd1 Qf1# 0-1

3)
Draw 1.Bg4 e1Q 2.h3 draw

4)
[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "?"]
[Black "?"]
[Result "0-1"]
[SetUp "1"]
[FEN "3K4/4p3/4k3/8/Bp6/6b1/2P5/8 w - -"]

1.Bb5 Kd6 2.Ke8 e5 3.Kf7 e4 4.Kf6 e3 5.Ba6 Kd5 6.Kf5 Kd4 7.Kg4 Kc3 8.Kf3 Kd2 9.
Bc4 Bf2 10.Bb5 Bg1 11.Bc4 Kxc2 12.Ke2 b3 13.Bd3+ Kc1 14.Bc4 b2 15.Bd3 b1Q 16.
Bxb1 Kxb1 17.Ke1 Kc2 18.Ke2 Bf2 19.Kf3 Kd3 20.Kf4 e2 21.Kf5 e1Q 22.Kf6 Qe8 23.
Kf5 Qe7 24.Kf4 Qf6+ 25.Kg4 Qe5 26.Kh3 Qg3# 0-1
Parent - By Akbarfan (***) Date 2017-08-08 10:24
Thanks a lot damar :cool:
Parent - By Vinvin (***) [be] Date 2017-08-10 19:50
Stockfish takes a lot of time to see Ra7 is winning.
But finally, after 47...Ra7 48.Rbb1 Ra3 it gives a convincing score :

Stockfish_170801_x64_modern:
...
34/62  02:19   1 536 159k  10 974k  -4,46  49.f6 gxf6 50.Bd5 Re3 51.e5 Bxe5 52.b6 Rxd5 53.cxd5 Qf4 54.Rxd2 Qe4 55.Qxe3 Qxe3 56.Rbd1 Qf4 57.Kg1 Qh2+ 58.Kf2 Bd6 59.Rc2 Qf4+ 60.Kg1 Qe3+ 61.Kf1 Qxb6 62.Rc4 Qb5 63.Rdd4 Kg6 64.Rxh4 Qxd5 65.Rhg4+ Kf7 66.Rgd4 Qf5+ 67.Ke2 Qb5 68.g4 Be5 69.Re4 Qb2+ 70.Kd3 Qb3+ 71.Ke2 Qxh3 72.Kd2 Kg6 73.g5 Qf1 74.Ke3
34/54  02:19   1 536 159k  10 974k  -4,44  49.Bd5 Re3 50.f6 gxf6 51.e5 Bxe5 52.b6 Rxd5 53.cxd5 Qf4 54.Rxd2 Qe4 55.Qxe3 Qxe3 56.Rbd1 Qg3 57.Kg1 Qh2+ 58.Kf2 Bd6 59.Rd3 Bc5+ 60.Ke1 Bxb6 61.Kd2 Qxg2+ 62.Kc3 Kg6 63.Kb3 Qe4 64.d6 Qe6+ 65.Kc2 Qd7 66.R1d2 f5 67.Kd1 f4 68.Rc2 Kf5 69.Rcc3 Ke6 70.Ke2 Kf6 71.Kd1 Be3 72.Rc4 Qf5 73.Rcc3 Qxh3 74.d7 Qg4+ 75.Kc2
34/66  02:19   1 536 159k  10 974k  -4,38  49.e5 Bxe5 50.Bd5 Re3 51.f6 gxf6 52.b6 Rxd5 53.cxd5 Qf4 54.Rxd2 Qe4 55.Qxe3 Qxe3 56.Rbd1 Qg3 57.Kg1 Qh2+ 58.Kf2 Bd6 59.Rd3 Bc5+ 60.Ke1 Bxb6 61.d6 Qh1+ 62.Kd2 Qxg2+ 63.Kc3 Qc6+ 64.Kb4 Bc5+ 65.Kb3 Qd7 66.Kc3 Bf2 67.Kc2 Bb6 68.R1d2 f5 69.Kd1 f4 70.Rb2 Be3 71.Ke2 Kg6 72.Rb8 Kf5 73.Rbb3 Qc6 74.Rbc3 Qg2+ 75.Kd1

Stockfish_170801_matefinder:
...
25/49  00:57   640 889k  11 160k  -4,19  49.e5 Bxe5 50.Bb7 Rc3 51.f6 gxf6 52.Bd5 Rxd5 53.cxd5 Qf4 54.d6 Rd3 55.Rxd2 Qxd2 56.d7 Qf4 57.d8R Rxd8 58.Rf1 Qc4 59.b6 Rd3 60.Qf2 Qe4 61.Re1 Rxh3+ 62.Kg1 Qxe1+ 63.Qxe1 Bd4+ 64.Kf1 Rh1+ 65.Ke2 Rxe1+ 66.Kxe1 Bxb6 67.Ke2 f5 68.Kf3 Bc7 69.Ke2 Kg6 70.Kf2 Be5
26/49  00:57   640 889k  11 160k  -4,50  49.b6 Rxc4 50.f6 Rxc6 51.f7 Rf6 52.e5 Rxf7 53.b7 Bxe5 54.Rxd2 Rb3 55.Rxb3 Qxb3 56.Rd1 Rxb7 57.Qe1 Qg3 58.Qxg3 Bxg3 59.Kg1 Rb2 60.Rc1 g6 61.Rf1 Kh6 62.Rc1 Kh5 63.Kf1
26/42  00:57   640 889k  11 160k  -1,54  49.f6 gxf6 50.Bd5 Re3 51.b6 Kh6 52.b7 Rdd3 53.b8R Bxb8 54.Rxb8 Qe1 55.Kh2 Qxg1+ 56.Rxg1 Re1 57.Rb1 Rxb1 58.Rxb1 d1Q 59.Rxd1 Rxd1 60.c5 Kg5 61.g4 Rc1 62.c6 Rc2+ 63.Kg1 Kf4 64.Kf1 Ke5 65.Kg1 Kd6 66.Kh1 Re2 67.Kg1 Kc7 68.Kh1 Re3 69.Kh2 Rc3
26/38  00:57   640 889k  11 160k  -1,54  49.Bd5 Re3 50.f6 gxf6 51.b6 Kh6 52.b7 Rdd3 53.b8R Bxb8 54.Rxb8 Qe1 55.Kh2 Qxg1+ 56.Rxg1 Re1 57.Rb1 Rxb1 58.Rxb1 d1Q 59.Rxd1 Rxd1 60.c5 Kg5 61.g4 Rc1 62.c6 Rc2+ 63.Kg1 Kf4 64.Kf1 Ke5 65.Kg1 Kd6 66.Kh1 Re2 67.Kg1 Kc7
Up Topic The Rybka Lounge / Test Positions / Hard position

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