Author: Dann Corbit
Date: 20:17:00 03/04/02
Go up one level in this thread
On March 04, 2002 at 17:43:29, Albert Silver wrote: >The following position occurred in Spassky-Beliavsky, Reykjavik, 1988 > >[D]2b1qrk1/5p1p/pBn3p1/1p2p3/4P2N/bBP1Q3/P4PPP/3R2K1 w - - > >Spassky found a tremendous move 25.Nxg6!! and won the game. I don't think any >engines will have much luck with it but feel free to try it. I've analyzed it in >detail and can verify that it is the strongest move and correct, so as a further >challenge, see if you can find the *strongest* continuation after the possible >defense: 25...hxg6 26.Qh6 Be6!? Pharaon 2.62: test \nxg6.epd 999 Looking for Nh4xg6 8 - b - q r k - 7 - - - p - p 6 p B n - - p - 5 - p - p - 4 - - P - N 3 b B P Q - 2 P - - P P P 1 - - R - K a b c d e f g h 2b1qrk1/5p1p/pBn3p1/1p2p3/4P2N/bBP1Q3/P4PPP/3R2K1 w - - 6. 38 0 46852 Qh6 Be6 Bd5 Qd7 Nf3 Kh8 6. 38 0 60932 Bd5! 6. 40 0 73142 Bd5 Ne7 Nf3 Bg4 c4 Bb4 6. 40 0 81533 Nf3! 6. 45 0 89395 Nf3 Bg4 Qh6 Bxf3 gxf3 Kh8 Bd5 6-> 45 1 101913 Nf3 Bg4 Qh6 Bxf3 gxf3 Kh8 Bd5 7. 49 1 143978 Nf3 Bg4 Bd5 Ne7 c4 Nxd5 cxd5 Bd6 7. 49 1 274747 c4! 7. 50 2 355884 c4 Qe7 cxb5 axb5 Qh6 Bg4 Rd5 Be2 7-> 50 2 388356 c4 Qe7 cxb5 axb5 Qh6 Bg4 Rd5 Be2 8. 59 3 624414 c4 Qe7 cxb5 axb5 Bd5 Bg4 f3 Qxh4 Qxa3 8-> 59 3 721903 c4 Qe7 cxb5 axb5 Bd5 Bg4 f3 Qxh4 Qxa3 9. 61 8 1725655 c4 bxc4 Bxc4 Qe7 Nf3 Qb4 Qb3 Qxb3 axb3 Be6 Bxe6 9. 61 12 2565936 Bd5! 9. 61 13 2943364 Bd5 Be6 c4 Be7 cxb5 Nb4 Bxe6 fxe6 Nf3 9-> 61 14 2983771 Bd5 Be6 c4 Be7 cxb5 Nb4 Bxe6 fxe6 Nf3 10. 72 27 5971042 Bd5 Bg4 Nf3 Qd7 c4 Bd6 h3 Be6 Qd3 Bxd5 10. 72 37 8109244 Nf3! 10. 78 49 10919634 Nf3 Bg4 c4 Be7 cxb5 axb5 h3 Bxf3 Qxf3 Qb8 Be3 Qc7 10-> 78 49 10926237 Nf3 Bg4 c4 Be7 cxb5 axb5 h3 Bxf3 Qxf3 Qb8 Be3 Qc7 11. 82 64 14178300 Nf3 Bg4 c4 Be7 cxb5 axb5 h3 Bxf3 Qxf3 Kh8 Qd3 Nb4 Qd7 11-> 82 68 15355440 Nf3 Bg4 c4 Be7 cxb5 axb5 h3 Bxf3 Qxf3 Kh8 Qd3 Nb4 12. 88 128 29085822 Nf3 Kh8 Bd5 f6 c4 Be7 Rb1 bxc4 Qc3 Bg4 Qxc4 12-> 88 214 49651493 Nf3 Kh8 Bd5 f6 c4 Be7 Rb1 bxc4 Qc3 Bg4 Qxc4 13. 99 356 82491972 Nf3 Bg4 Bd5 Nb8 c4 Bd6 cxb5 axb5 h3 Bxf3 Qxf3 Nd7 Ba5 13-> 99 401 94121654 Nf3 Bg4 Bd5 Nb8 c4 Bd6 cxb5 axb5 h3 Bxf3 Qxf3 Nd7 Ba5 14. 97 592 138796827 Nf3 Bg4 Bd5 Ne7 c4 Nxd5 Rxd5 14-> 97 999 241717683 Nf3 Bg4 Bd5 Ne7 c4 Nxd5 Rxd5 time:998.98s, nodes:241716600, nps:241965, evals:37692818 (15.59%) HT Fill:100.0%, HT Hit:3.28%, HT Refut:2.5%, HP Hit:99.3%, HK Hit:99.12% Rank#09 : 14<= 97 999 241717683 Nxg6 hxg6 Bc5 Bxc5 Bxf7 Rxf7 Qxc5 Not found 1: Nh4f3 played instead of Nh4xg6 0/1 solved positions in '\nxg6.epd' The log file 'log/nxg6.epd.001' has been created.
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