Author: Bryan Hofmann
Date: 09:48:56 06/01/04
Go up one level in this thread
On June 01, 2004 at 12:12:25, Sune Fischer wrote:
>>In the games you refered to above about a Crafty clone on FICS (My system) I
>>looked at the game files and found that My system was out of book after you
>>system castled in move 4. So from move 5 on was done by the search and eval
>>functions of the Crafty engine. Hardly a factor in book learning considering
>>that the bookc.bin is very narrow on my system. I also checked and there was no
>>position learning in either of these games.
>
>My book is too narrow for aggressive learners, move 4 is still 8 plies, I think
>the book is down to a single line already at that point.
>
>I'm surprised Crafty diviated already at move 13 though, usually they can go a
>lot longer before that happens. Perhaps the extra randomness has something to do
>with Crafty being on a quad?
Yes it is on a quad system but they are only PII 450Mhz CPUs. I would say it had
to do with the load on the system. I run another chess engine on the same box on
FICS and if you look at the eval you can see where it is jumping between the 2
moves;
9 1.11 0.82 1. Nf5 gxf5 2. Nf6+ Qxf6 3. Qxf6 d6
4. exf5 b5 5. Qg5+ Kh7 6. Qh5+ Kg7
7. a3
9 2.09 1.30 1. Qg5 f5 2. Nxg6 fxe4 3. Nxf8+ Kxf8
4. Qd8+ Kf7 5. Nxc7 Rb8 6. dxe4
9-> 2.24 1.30 1. Qg5 f5 2. Nxg6 fxe4 3. Nxf8+ Kxf8
4. Qd8+ Kf7 5. Nxc7 Rb8 6. dxe4
10 3.34 -1 1. Qg5
10 4.71 0.85 1. Qg5 f5 2. Nxg6 fxe4 3. Nxf8+ Kxf8
4. Qd8+ Kf7 5. Nxc7 Rb8 6. dxe4 Nc4
10 5.43 0.99 1. Nf5 gxf5 2. Nf6+ Qxf6 3. Qxf6 Bd4
4. Qxf5 Na4 5. Qg5+ Kh7 6. Qh5+ Kg7
7. Qg4+ Kh7 8. Rad1
10-> 7.17 0.99 1. Nf5 gxf5 2. Nf6+ Qxf6 3. Qxf6 Bd4
4. Qxf5 Na4 5. Qg5+ Kh7 6. Qh5+ Kg7
7. Qg4+ Kh7 8. Rad1 (s=3)
11 8.96 1.05 1. Nf5 gxf5 2. Nf6+ Qxf6 3. Qxf6 Re8
4. Qg5+ Kh7 5. Qxf5+ Kg7 6. Qg5+ Kf8
7. Rab1 Na4 8. Qh6+ Kg8 9. h4 (s=2)
11 27.90 1.19 1. Qg5 f5 2. Nxg6 fxe4 3. Rab1 Na4
4. Nxf8+ Kxf8 5. Qd8+ Kf7 6. Nxc7 Rb8
7. dxe4
>
>-S.
>
>>[Event "ICS Game"]
>>[Site "ICS"]
>>[Date "2004.06.01"]
>>[White "BigGizmo"]
>>[Black "ChessCraft"]
>>[WhiteElo ""]
>>[BlackElo ""]
>>
>>1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nc3 O-O 5. Nf3 Nc6 6. Bg5 Na5 7. O-O h6 8. Bxf6
>>Qxf6 9. Nd5 Qd6 10. Nh4 g6 11. Qd2 Nxc4 12. Qxh6 Nxb2 13. Qg5 f5 14. Nxg6
>>c6 15. Nxf8+ Kxf8 16. Qxf5+ Kg7 17. Qg5+ Kf7 18. Ne3 Qe6 19. a4 b5 20. axb5
>>cxb5 21. Nd5 Bd4 22. c3 Bb6 23. Qh5+ Kg8 24. Nxb6 Qxb6 25. Qxe5 Kf8 26. Rab1
>>Nxd3 27. Qf5+ Ke7 28. Qd5 Rb8 29. Qxd3 d6 30. Qg3 Be6 31. e5 dxe5 32. Qxe5
>>Kf7 33. Rfe1
>>
>>[Event "ICS Game"]
>>[Site "ICS"]
>>[Date "2004.06.01"]
>>[White "BigGizmo"]
>>[Black "ChessCraft"]
>>[WhiteElo ""]
>>[BlackElo ""]
>>
>>1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nc3 O-O 5. Nf3 Nc6 6. Bg5 Na5 7. O-O h6 8. Bxf6
>>Qxf6 9. Nd5 Qd6 10. Nh4 g6 11. Qd2 Nxc4 12. Qxh6 Nxb2 13. Nf5 gxf5 14. Nf6+
>>Qxf6 15. Qxf6 Re8 16. exf5 d5 17. Rfb1 Ba3 18. Re1 Bc5 19. Qg5+ Kf8 20. Qh6+
>>Ke7 21. Rxe5+ Kd7 22. Rxe8 Kxe8 23. Qh8+ Kd7 24. Qxb2 c6 25. Re1 Kc7 26. Qh8
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