Author: Andreas Stabel
Date: 09:11:22 09/08/00
Go up one level in this thread
On September 08, 2000 at 06:36:52, Paulo Soares wrote:
>On September 08, 2000 at 01:05:22, Howard Exner wrote:
>
>>A nice win by Gelfand.
>>3k4/2pP2b1/3p2P1/1K1P1BP1/8/8/8/8 w - -
>>
>>
>> id Gelfand,B - Ye Jiangchuan; bm Kc6;
>>
>>In the game Gelfand played Kc6 and Ye Jiangchuan resigned.
>>The winning technique as explained on Kasparov's site explains
>>that white's bishop must go to either a4 or e8, allowing the white king to
>>penetrate via the f5 square. Both work nicely, yet it made me wonder if computer
>>programs will discover this winning technique. How do programs
>>fair here? The theme of first protecting the d7 pawn with the king, then
>>with the bishop(on a4 or e8), and finally marching the king around to the
>>kingside may prove difficult for programs.
>
>I analyzed the final position with program help and I didn't get to see the
>win, and I got to think that Gelfand had won in the time(clock). Only now,
>after reading your post, I got to understand the position and I could evaluate
>Gelfand brilliant idea in this endgame. I think this position it's hard for
>programs.
>
>Paulo Soares, from Brazil
I made the following eight moves which, as far as I can see, black can do
nothing to stop:
1. Kc6 Bf6 2. Bc2 Bg7 3. Ba4 Ba1 4. Kb7 Bg7 5. Ka6 Bd4 6. Ka5 Bg7
7. Kb4 Bd4 8. Kc4
and in the position after 8. Kc4 crafty 17.13 gives the following analysis:
18-> 3:32 -11.91 8. ... Bg7 9. Bc6 Be5 10. Kd3 Bg7 11.
Ke4 Bc3 12. Kf5 Ke7 13. d8=Q+ Kxd8
14. Ke6 Kc8 15. Kf7 Be1 16. g7 Kb8
17. g8=Q+ Ka7 18. Qa8+ Kb6 19. Qa1
Bb4 20. Qd4+ Bc5 21. Qxc5+ Kxc5
which to me seems pretty conclusive.
Regards
Andreas Stabel
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