Author: Gerd Isenberg
Date: 09:49:04 03/31/04
Go up one level in this thread
On March 31, 2004 at 06:31:28, Tord Romstad wrote:
>I just completed a 100-game blitz match between Gothmog 0.4.7 and Crafty 19.9
>(yes, I know it is not the most recent version). In one of the games, the
>following position arised:
>
>[D]r2qr3/4bpkp/p2p2pN/1p1P4/2pNP3/1b5P/1P1Q1PP1/R3R1K1 w - -
>
>Here, Gothmog surprised me (and Crafty) by playing the knight sac Nxf7!?. It
>plays this after only 7 plies and 1 second, almost certainly as a speculative
>sac, but still keeps it with a +1 score after 20 minutes and 16 plies. In
>the game, Gothmog quickly got a winning attack after 24. Nxf7 Kxf7 25. Ne6 Qc8
>26. Qh6 Bf8 27. Qxh7+ Kf6 28. Re3.
>
>Which other engines like Nxf7? Is the sac correct?
IsiChess MMX (Athlon XP2.7+ 256 MB Hash) likes Nxf7 too, after 7 seconds with
slight minus then draw score. 40 seconds to get the first plus (+0.17).
After two minutes +0.54:
1.Nxf7 Kxf7 2.Ne6 Qb6 3.Qh6 Rc8 4.Qxh7+ Ke8 5.Qxg6+ Kd7 6.Qf5 Rg8 7.e5 Ke8
>
>Another cool game from the match was the following, which is probably
>not good, but amused me because of its "19th century look". It was played
>in Gothmog's new favorite opening, the King's gambit:
>
>[Event "Computer chess game"]
>[Site "aload.uio.no"]
>[Date "2004.03.31"]
>[Round "63"]
>[White "Gothmog 0.4.7"]
>[Black "Crafty-19.9"]
>[Result "1-0"]
>[TimeControl "300+1"]
>
>1. e4 e5 2. f4 exf4 3. Bc4 Nf6 4. Nc3 c6 5. d4 Bb4 6. e5 Ne4 7. Kf1 Nxc3 8.
>bxc3 Bxc3 9. Ba3 b5 10. Bd6 bxc4 11. Qg4 g5 12. Nh3 Bxa1 13. Nxf4 h6 14.
>Nh5 Qb6 15. Qf5 Ba6 16. g4 Qxd4 17. Qf6 Qd1+ 18. Kg2 Qxc2+ 19. Kh3 Qd3+ 20.
>Ng3 Qxd6 21. Qxd6 Bb2 22. Qf6 d5 23. Qxh8+ Kd7 24. Qf8 Kc7 25. Qd6+ Kb6 26.
>Qb4+ Bb5 27. Qxb2 Nd7 28. Rb1 Kc7 29. Qb4 Nxe5 30. Nf5 Ng6 31. Qd6+ Kb7 32.
>Nd4 Nf4+ 33. Kg3 Ne2+ 34. Nxe2 Rc8 35. a4 a6 36. axb5 cxb5 37. Qxd5+ Kb6
>38. Nc3 h5 39. Nxb5 Rc5 40. Qd8+
>{Black resigns} 1-0
>
>Position after white's 17th move:
>
>[D]rn2k2r/p2p1p2/b1pB1Q1p/4P1pN/2pq2P1/8/P1P4P/b4K1R b kq -
>
Nice fail low position!
+3.x +0.9 +0.4 +0.16 -0.21 -0.37 -0.82 -1.2 -1.72 after 20 seconds
-1.87 -2.07 after 1:20
Gerd
>Tord
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