Author: Richard Pijl
Date: 06:17:15 03/31/04
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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? > The Baron 1.3.0 beta 2 (Xeon 2.8) doesn't play Nxf7 within 30 minutes, although it spends quite some time contemplating it on every iteration. The bestmove according to the Baron would be Ng4, scoring the position as about equal. After forcing Nxf7 it fails low after a minute and shows a draw score in 2 minutes. It keeps the drawscore for over two hours. Richard.
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