Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Interesting ending bishop against pawns !

Author: John Merlino

Date: 13:51:31 12/12/02

Go up one level in this thread


On December 11, 2002 at 07:40:39, Eduard Nemeth wrote:

>In a new game in last time, it come to this position - but first the game:
>
>[Event "TCh-AUT B Mitte AUT "]
>[Site "?"]
>[Date "2002.??.??"]
>[Round "4"]
>[White "Gabriel,Ch"]
>[Black "Wittmann,W"]
>[WhiteElo "2560"]
>[BlackElo "2345"]
>[ECO "E76"]
>[Result "1/2-1/2"]
>
>1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 Bg4
>7. Be2 Nfd7 8. Be3 Bxf3 9. Bxf3 Nc6 10. e5 Na5 11. c5 Nc4
>12. Bf2 dxc5 13. dxc5 Nxb2 14. Qe2 Nxe5 15. fxe5 Nd3+
>16. Kf1 Nxf2 17. Kxf2 Qd4+ 18. Qe3 Bxe5 19. Rac1 Rad8
>20. Qxd4 Bxd4+ 21. Ke2 c6 22. Ne4 Rd7 23. Rhd1 Rfd8 24. Nd6
>exd6 25. Rxd4 dxc5 26. Rxd7 Rxd7 27. Rxc5 Kf8 28. Rc3 Ke7
>29. Rd3 Rxd3 30. Kxd3 Kd6 31. Bd1 Ke5 32. Bb3 f5 33. Bg8 h6
>34. Bf7 g5 35. Be8 Kd5 36. Bd7 f4 37. Bg4 b5 38. Bf3+ Kd6
>39. h3 c5 40. Bh5 Ke5 41. Be8 a6 42. Bc6 Kd6 43. Be8 Ke5
>44. Bc6 Kd6 45. Bf3 a5 46. Bh5 Kd7 47. Ke4 Kc6 48. Be8+ Kb6
>49. Kd5 a4 50. Bf7 a3 51. Kd6 c4 52. Kd5 c3 53. Bg6 h5
>54. Bc2 g4 55. hxg4 hxg4 56. Kd4 b4 57. Ke4 Kc5 58. Bb3 f3
>59. gxf3 gxf3 60. Kxf3 Kd4 61. Ke2 1/2-1/2
>
>GM Gabriel gives here with white a draw! What says the programs ?
>
>Last position:
>
>[D]8/8/8/8/1p1k4/pBp5/P3K3/8 b - - 0 1
>
>Computerchess with me:
>
>http://www.beepworld.de/members37/computerschach/computerschach.htm
>
>EN

Further evidence against the GM. CM9000, on a P3-733 with no tablebases, finds
Ke4 immediately, gives it a +2 score in 10 seconds, and a +4 score in 1:25:

Time	Depth	Score	Positions	Moves
0:00	5/9	0.29	17178		1...Ke4 2.Kd1 Ke5 3.Kc2 Ke4 4.Bc4
					Ke3 5.Bd3 Kd4
0:00	6/10	0.28	35000		1...Ke4 2.Kd1 Ke5 3.Kc2 Ke4 4.Bf7
					Ke3 5.Bg6 Kd4 6.Bf5
0:00	7/11	0.33	66406		1...Ke4 2.Kd1 Ke5 3.Kc2 Ke4 4.Bf7
					Ke3 5.Bg6 Kd4 6.Bf5 Ke5
0:01	8/12	0.28	116498		1...Ke4 2.Kd1 Ke5 3.Kc2 Ke4 4.Bf7
					Ke3 5.Bg6 Kd4 6.Bf5 Ke5 7.Bd3 Kd4
0:01	9/13	0.30	188627		1...Ke4 2.Kd1 Ke5 3.Kc2 Ke4 4.Bf7
					Kd4 5.Bg6 Kc5 6.Kb3 Kb5 7.Bc2 Kc5
0:02	10/14	0.29	401764		1...Ke4 2.Kd1 Ke5 3.Kc2 Ke4 4.Bf7
					Kd4 5.Bg6 Kc4 6.Bd3+ Kd4 7.Bf5
					Ke5 8.Bg6 Kd4
0:04	11/15	0.30	647733		1...Ke4 2.Kd1 Ke5 3.Kc2 Ke4 4.Bf7
					Kd4 5.Bg8 Kc5 6.Kb3 Kb6 7.Bh7 Kb5
					8.Bc2 Kc5
0:07	12/16	1.61	1020644		1...Ke4 2.Bd1 Kd4 3.Bc2 Kd5 4.Kd3
					Kc5 5.Bb3 Kb5 6.Kd4 Kb6 7.Kc4 Ka5
					8.Bc2 Kb6 9.Kxb4
0:10	13/17	2.24	1608136		1...Ke4 2.Bd1 Kd4 3.Bc2 Kd5 4.Kd3
					Kc5 5.Bb3 c2 6.Bxc2 Kd5 7.Bb3+
					Kc5 8.Ke4 Kb5 9.Kd4 Kb6 10.Kc4
					Ka5 11.Bc2
0:30	14/18	2.60	4495821		1...Ke4 2.Bd1 Kf4 3.Kd3 Kg3 4.Kc4
					Kf2 5.Kxb4 Ke1 6.Bb3 Kd2 7.Kxa3
					Ke3 8.Bc2 Ke2 9.Kb3 Kd2 10.a4
0:49	15/19	3.18	7041477		1...Ke4 2.Ba4 Kf4 3.Kd3 Kf3 4.Kc4
					Ke3 5.Kxb4 Kd2 6.Kxa3 Ke3 7.Bc2
					Kd2 8.Kb3 Kc1 9.a4 Kd2 10.a5 Kc1
					11.a6 Kd2
1:25	16/20	4.35	11959523	1...Ke4 2.Ba4 Kf4 3.Kd3 Kf3 4.Kc4
					Ke3 5.Kxb4 Kd3 6.Kxa3 Kd2 7.Kb4
					Kd3 8.Kb3 c2 9.Kb2 c1=Q+ 10.Kxc1
					Kd4 11.Bc6 Kc5 12.Bb7 Kd4

jm



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.