Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Endgame position - hiarcs 9 : 12 sec

Author: Vincent Lejeune

Date: 08:43:19 03/31/04

Go up one level in this thread


On March 31, 2004 at 11:09:26, Mihaly Szalai wrote:

>From the game Chekhov - Sorokin, Protvino,1988.
>
>[D]5k2/6p1/2p5/2P2PKP/3B4/1b6/1P6/8 w - - 0 52
>
>White is two pawns up but there are opposite color bishops.
>Both 52.f6 and 52.h6 are bad, however 52.Bxg7! wins.
>
>You should show it to your engine, I'm sure that quite a few
>will find it.
>
>Thanks
>Mihaly

AMD barton 2800+, 384 MB hash


Nouvelle partie
5k2/6p1/2p5/2P2PKP/3B4/1b6/1P6/8 w - - 0 1

Analysis by Hiarcs 9:

1.h6 gxh6+ 2.Rxh6
  ²  (0.64)   Profondeur: 1/4   00:00:00
1.f6
  ±  (0.73)   Profondeur: 1/4   00:00:00
1.f6
  ±  (0.73)   Profondeur: 1/4   00:00:00
1.Rg6
  ±  (0.80)   Profondeur: 1/6   00:00:00
1.Rg6 Ff7+ 2.Rh7 Fxh5
  ±  (0.84)   Profondeur: 1/7   00:00:00
1.Fxg7+
  ±  (0.86)   Profondeur: 1/7   00:00:00
1.Fxg7+ Rxg7
  ±  (0.86)   Profondeur: 1/7   00:00:00
1.Fxg7+ Rxg7
  ±  (0.86)   Profondeur: 2/7   00:00:00
1.Fe5
  ±  (0.91)   Profondeur: 2/7   00:00:00
1.Fe5 Ff7 2.Fxg7+
  ±  (0.91)   Profondeur: 2/7   00:00:00
1.Fe5 Ff7 2.Fxg7+ Rxg7 3.f6+ Rg8
  ±  (1.02)   Profondeur: 3/7   00:00:00
1.Fxg7+ Rxg7
  ±  (1.11)   Profondeur: 3/7   00:00:00
1.Fxg7+ Rxg7 2.f6+ Rg8 3.h6
  ±  (1.11)   Profondeur: 3/8   00:00:00
1.Fxg7+ Rxg7 2.h6+ Rh7 3.f6 Ff7 4.b4
  ±  (0.95)   Profondeur: 4/12   00:00:00
1.Fxg7+ Rxg7 2.h6+ Rf7 3.Rf4 Rg8 4.Re5
  ±  (1.00)   Profondeur: 5/13   00:00:00  2kN
1.Fxg7+ Rxg7 2.h6+ Rf7 3.Rg4 Rf6 4.Rf4 Fg8
  ±  (0.90)   Profondeur: 6/16   00:00:00  9kN
1.Fxg7+ Rxg7 2.f6+ Rf7 3.Rf5 Fc2+ 4.Re5 Fb3 5.h6 Rg6 6.Rd6 Fa4
  ²  (0.68)   Profondeur: 7/18   00:00:00  26kN
1.Fe5 Rg8
  ²  (0.70)   Profondeur: 7/18   00:00:00  28kN
1.Fe5 Rf7 2.f6 gxf6+ 3.Fxf6 Fc2 4.b4 Fe4
  ±  (0.79)   Profondeur: 7/18   00:00:00  35kN
1.f6 gxf6+
  ±  (0.80)   Profondeur: 7/18   00:00:00  46kN
1.f6 gxf6+ 2.Rxf6 Fd5 3.Fe5 Ff3 4.Fd6+ Rg8
  ±  (0.84)   Profondeur: 7/18   00:00:00  49kN
1.f6 gxf6+ 2.Rxf6 Fd5 3.Fe5 Rg8 4.h6 Rh7 5.Rg5 Fe6
  ±  (0.84)   Profondeur: 8/18   00:00:00  73kN
1.f6 gxf6+ 2.Fxf6 Fc2 3.Fe5 Rf7 4.h6 Re6 5.Ff4 Fh7
  ±  (0.81)   Profondeur: 9/18   00:00:00  197kN
1.f6 gxf6+ 2.Fxf6 Fc2 3.Fe5 Rf7 4.h6 Re6 5.Ff4 Fh7 6.b4 Rf7
  ±  (0.81)   Profondeur: 10/20   00:00:01  399kN
1.Fe5 Rf7
  ±  (0.82)   Profondeur: 10/22   00:00:01  484kN
1.Fe5 Rf7 2.Fg3 Rg8 3.Fd6 Rh7 4.Fe5
  ±  (0.83)   Profondeur: 10/22   00:00:01  518kN
1.Fe5 Rf7 2.Fc3 Rg8
  ±  (0.83)   Profondeur: 11/22   00:00:02  878kN, tb=5
1.f6 gxf6+ 2.Fxf6 Fc2 3.Fe5 Rf7 4.h6 Re6 5.Ff4 Fh7 6.b4 Rf7
  ±  (0.84)   Profondeur: 11/22   00:00:02  933kN, tb=5
1.f6 gxf6+ 2.Rxf6 Rg8 3.h6 Rh7 4.Rg5 Rg8 5.Ff6
  ±  (0.84)   Profondeur: 11/22   00:00:02  1057kN, tb=8
1.f6 gxf6+ 2.Rxf6 Rg8 3.h6 Rh7 4.Rg5 Rg8 5.Ff6 Fc2 6.Fe5 Rf7 7.b4 Fh7 8.Ff4
  ±  (0.84)   Profondeur: 12/24   00:00:05  2053kN, tb=57
1.f6 gxf6+ 2.Rxf6 Rg8 3.h6 Rh7 4.Rg5 Rg8 5.Fe5 Rh7 6.Ff4 Rg8 7.Rg6 Fc2+ 8.Rf6
Fb3
  ±  (0.84)   Profondeur: 13/25   00:00:10  4244kN, tb=357
1.Fxg7+ Rxg7
  ±  (0.84)   Profondeur: 13/25   00:00:11  4837kN, tb=446
1.Fxg7+ Rxg7
  ±  (1.09)   Profondeur: 13/25   00:00:12  5038kN, tb=470
1.Fxg7+ Rxg7 2.f6+ Rf7 3.Rf5 Fe6+ 4.Re5 Fb3 5.h6 Rg6 6.Rd6 Rxh6 7.Rxc6 Rg6 8.Rb7
Rxf6 9.c6
  ±  (1.14)   Profondeur: 13/26   00:00:12  5212kN, tb=653
1.Fxg7+ Rxg7 2.f6+ Rf7 3.Rf5 Fe6+ 4.Re5 Fb3 5.h6 Rg6 6.Rd6 Rxh6 7.Rxc6 Rg6 8.Rb7
Rxf6 9.c6
  ±  (0.89)   Profondeur: 14/30   00:00:19  7388kN, tb=1891
1.Fxg7+ Rxg7 2.f6+ Rg8 3.Rf5 Ff7 4.Re5 Fxh5 5.Rd6 Fe8 6.Re7 Fh5 7.b4
  ±  (0.84)   Profondeur: 14/30   00:00:19  7711kN, tb=1964
1.Fxg7+ Rxg7 2.f6+ Rg8 3.Rf5 Ff7 4.Re5 Fxh5 5.Rd6 Fe8 6.Re7 Fh5 7.b4
  ±  (1.09)   Profondeur: 15/31   00:00:35  15444kN, tb=3567
1.Fxg7+ Rxg7 2.f6+ Rg8 3.Rf5 Ff7 4.Re5 Fxh5 5.Rd6 Fe8 6.Re7 Ff7 7.b4
  ±  (1.39)   Profondeur: 15/31   00:00:39  16640kN, tb=5301
1.Fxg7+ Rxg7 2.f6+ Rg8 3.Rf5 Ff7 4.Re5 Fxh5 5.Rd6 Fe8 6.Re7 Ff7 7.b4
  +-  (1.64)   Profondeur: 16/32   00:01:04  28688kN, tb=9218
1.Fxg7+ Rxg7 2.f6+ Rh7 3.Rf4 Rh6 4.Re5 Rxh5 5.Rd6 Rg6 6.Rxc6 Rf7 7.Rc7 Rg8 8.c6
Rf7 9.Rb8 Fe6 10.b4 Rxf6
  +-  (2.53)   Profondeur: 16/33   00:01:17  33892kN, tb=13732
1.Fxg7+ Rxg7 2.f6+ Rh7 3.Rf4 Rh6 4.Re5 Rxh5 5.Rd6 Rg6 6.Rxc6 Rf7 7.Rc7 Rg8 8.c6
Rf7 9.Rb8 Fe6 10.b4 Rxf6 11.c7 Re5
  +-  (2.65)   Profondeur: 17/35   00:02:08  56425kN, tb=26948
1.Fxg7+ Rxg7 2.f6+ Rh7 3.Rf4 Rh6 4.Re5 Rxh5 5.Rd6 Rg6 6.Rxc6 Rf7 7.Rc7 Rg8 8.c6
Rf7 9.Rb8 Fe6 10.b4 Rxf6 11.c7 Re5
  +-  (2.90)   Profondeur: 18/38   00:03:46  101992kN, tb=48689
1.Fxg7+ Rxg7 2.f6+ Rh7 3.h6 Rg8 4.Rf4 Rh7 5.Re5 Rxh6 6.Rd6 Rh7 7.Rxc6 Rg8 8.Rb7
Rf7 9.c6 Fd5 10.b4 Rg6 11.b5
  +-  (3.53)   Profondeur: 18/38   00:04:51  137504kN, tb=74475
1.Fxg7+ Rxg7 2.f6+ Rh7 3.h6 Rg8 4.Rf4 Rh7 5.Re5 Rxh6 6.Rd6 Rh7 7.Rxc6 Rg8 8.Rb7
Rf7 9.c6 Fd5 10.b4 Rg6 11.b5
  +-  (3.78)   Profondeur: 19/42   00:07:59  221225kN, tb=121275
1.Fxg7+ Rxg7 2.f6+ Rh7 3.Rf4 Rh6 4.Re5 Rg5 5.Rd6 Rxf6 6.Rxc6 Fc2 7.Rb6 Fe4 8.c6
Re6 9.h6 Re7 10.c7 Rd7 11.h7 Fxh7 12.Rb7 Fe4+
  +-  (5.48)   Profondeur: 19/42   00:11:02  328004kN, tb=177912
1.Fxg7+ Rxg7 2.f6+ Rh7 3.Rf4 Rh6 4.Re5 Rg5 5.Rd6 Rxf6 6.Rxc6 Fc2 7.Rb6 Fe4 8.c6
Re6 9.h6 Re7 10.c7 Rd7 11.h7 Fxh7 12.Rb7 Fe4+
  +-  (5.73)   Profondeur: 20/43   00:17:06  493100kN, tb=251267
1.Fxg7+ Rxg7 2.f6+ Rh7 3.Rf4 Rh6 4.Re5 Rxh5 5.Rd6 Rg6 6.Rxc6 Rf7 7.Rc7 Rf8 8.c6
Rf7 9.Rb8 Fe6 10.c7 Rg6 11.c8D Rxf6
  +-  (7.54)   Profondeur: 20/46   00:20:32  609326kN, tb=296651




This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.