Author: Thom Perry
Date: 06:06:23 12/15/98
Go up one level in this thread
MCP8 will not play 12. Bxh7+ because initially the program believes that black
is about a point ahead after the bishop sacrifice. Following is the analysis
which I ran twice to see whether MCP8 would deviate the second time around with
the learning enabled:
M-Chess Pro 8.0, P200-S, 96MEG EDO, Tyan Tomcat motherboard
3min./move, learning enabled
White Black Depth Score Analysis
------------------------------------
12. .... Kxh7 8) - 0.53 Kg8xh7 Nf3-g5+ Kh7-g6 Qd1-g4 f7-f5
Qg4-g3 f5-f4 Qg3-g4 e6-e5 Ng5-e6+
Kg6-f6
1:57:00 1:58:21
13. Ng5+ 7) - 0.52 Nf3-g5+ Kh7-g6 Qd1-g4 f7-f5 Qg4-g3
f5-f4 Qg3-g4 e6-e5 Ng5-e6+ Kg6-f6
13. .... Kg6 8) - 0.69 Kh7-g6 Qd1-g4 f7-f5 Qg4-g3 f5-f4
e3xf4 Ne7-f5 Qg3-g4
1:55:44 1:54:57
14. Qg4 7) - 0.35 Qd1-g4 f7-f5 Qg4-g3 f5-f4 e3xf4
Ne7-f5 Qg3-g4
14. .... f5 8) - 0.00 f7-f5 Qg4-g3 f5-f4 e3xf4 Ne7-f5
Qg3-g4 Nf5-h6 Qg4-g3 Nh6-f5
1:52:03 1:51:50
15. Qg3 8) - 0.00 Qg4-g3 f5-f4 e3xf4 Ne7-f5 Qg3-g4
Nf5-h6 Qg4-g3 Nh6-f5
15. .... f4 7) - 0.00 f5-f4 e3xf4 Ne7-f5 Qg3-g4 Nf5-h6
Qg4-g3 Nh6-f5
1:48:49 1:49:44
16. exf4 7) - 0.00 e3xf4 Ne7-f5 Qg3-g4 Nf5-h6 Qg4-g3
Nh6-f5
16. .... Nf5 7) - 0.00 Ne7-f5 Qg3-g4 Nf5-h6 Qg4-g3 Nh6-f5
1:46:36 1:46:48
17. Qg4 8) - 0.00 Qg3-g4 Nf5-h6 Qg4-g3 Nh6-f5
17. .... Nh6 7) - 0.00 Nf5-h6 Qg4-g3 Nh6-f5
1:43:21 1:39:26
18. Qg3 8) + 0.00 Qg4-g3 Nh6-f5
18. .... Nf5 8) - 0.00 Nh6-f5 Qg3-g4
1:41:02 1:37:06
19. Qg4 9) + 0.00 Qg3-g4 Nf5-h6
19. .... Nh6 9) - 0.00 Nf5-h6 Qg4-g3
1:37:25 1:34:00
20. Qg3 9) + 0.00 Qg4-g3 Nh6-f5
20. .... Nf5 9) + 0.00 Nh6-f5
1:33:02 1:31:00
Game was drawn by 3rd repetition! Let's try again to see whether MCP8
has learned anything from the first iteration.
White Black Depth Score Analysis
------------------------------------
12. .... Kxh7 8) - 0.53 Kg8xh7 Nf3-g5+ Kh7-g6 Qd1-g4 f7-f5
Qg4-g3 f5-f4 Qg3-g4 e6-e5 Ng5-e6+
Kg6-f6
2:00:00 1:58:21
13. Ng5+ 7) - 0.52 Nf3-g5+ Kh7-g6 Qd1-g4 f7-f5 Qg4-g3
f5-f4 Qg3-g4 e6-e5 Ng5-e6+ Kg6-f6
13. .... Kg6 8) - 0.69 Kh7-g6 Qd1-g4 f7-f5 Qg4-g3 f5-f4
e3xf4 Ne7-f5 Qg3-g4
1:58:44 1:55:14
14. Qg4 7) - 0.35 Qd1-g4 f7-f5 Qg4-g3 f5-f4 e3xf4
Ne7-f5 Qg3-g4
14. .... f5 8) - 0.00 f7-f5 Qg4-g3 f5-f4 e3xf4 Ne7-f5
Qg3-g4 Nf5-h6 Qg4-g3 Nh6-f5
1:55:03 1:52:07
15. Qg3 8) - 0.00 Qg4-g3 f5-f4 e3xf4 Ne7-f5 Qg3-g4
Nf5-h6 Qg4-g3 Nh6-f5
15. .... f4 7) - 0.00 f5-f4 e3xf4 Ne7-f5 Qg3-g4 Nf5-h6
Qg4-g3 Nh6-f5
1:51:48 1:50:00
16. exf4 7) - 0.00 e3xf4 Ne7-f5 Qg3-g4 Nf5-h6 Qg4-g3
Nh6-f5
16. .... Nf5 7) - 0.00 Ne7-f5 Qg3-g4 Nf5-h6 Qg4-g3 Nh6-f5
1:49:36 1:47:05
17. Qg4 8) - 0.00 Qg3-g4 Nf5-h6 Qg4-g3 Nh6-f5
17. .... Nh6 7) - 0.00 Nf5-h6 Qg4-g3 Nh6-f5
1:46:21 1:39:44
18. Qg3 8) + 0.00 Qg4-g3 Nh6-f5
18. .... Nf5 8) - 0.00 Nh6-f5 Qg3-g4
1:44:02 1:37:25
19. Qg4 9) + 0.00 Qg3-g4 Nf5-h6
19. .... Nh6 9) - 0.00 Nf5-h6 Qg4-g3
1:40:25 1:34:19
20. Qg3 9) + 0.00 Qg4-g3 Nh6-f5
20. .... Nf5 9) + 0.00 Nh6-f5
1:36:02 1:31:18
Same result.
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