Author: Ernst A. Heinz
Date: 14:19:26 04/06/00
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On April 06, 2000 at 16:59:30, José de Jesús García Ruvalcaba wrote: >[D]r2r1b2/3b1k1p/2p2pp1/p3n3/R3NNP1/7P/PPP5/1KB1R3 w - - 3 30 > > Black intended to play c5 followed by Bc6, but white's move came like > a shower of cold water: 30. Nxf6! The game continued 30... Kxf6 31. g5+ Kf5 > 32. Nd5! and white won brilliantly. > Which programs are able to play these brilliant moves showing a score of at >least one pawn up? "DarkThought WCCC'99" switches to 30. Nxf6 with a positive score of +0.75 in iteration #11 after 1:49 min. But it prefers 31.. Kf7 rather than 31.. Kf5 as the best response for Black (see below). 00:01:00 11.01 g5 Bb4 Re2 c5 Nxf6 Bxa4 Rxe5 Rd1 N4d5 Bd2 =0.65 #20658291 00:01:49 11.23 Nxf6 Kxf6 g5+ Kf5 Nd5 Bd6 Rf4+ Ke6 Nb6 Rab8 >=0.66! #36770321 00:02:14 12.01 Nxf6 Kxf6 g5+ Kf7 Rxe5 Bb4 a3 c5 axb4 Bxa4 =0.75 #45412101 00:04:01 13.01 Nxf6 Kxf6 g5+ Kf7 Rxe5 Bb4 a3 c5 axb4 Bxa4 =0.86 #82483712 =Ernst= P.S. WWW pages of "DarkThought" at URL http://supertech.lcs.mit.edu/~heinz/dt/.
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