Author: Mike Byrne
Date: 22:57:03 07/18/03
Go up one level in this thread
On July 19, 2003 at 00:10:49, John Merlino wrote: >In a game recently played on ICC, Chessmaster 9000 defeated what appeared to be >a Crafty clone (khmcrafty) rather easily thanks to two blunders. The game was a >blitz affair of 3 0. Here are the two positions: > >[D]r1b1r1k1/p1p2ppp/2p5/4P3/1b1pQPnq/2NB3P/PPP3P1/R1B2R1K b - - 0 14 > >khm played 14...Nf2+?? It looks good, but it fails. CM9000 much prefers dxc3. > >After 14...Nf2+ 15.Rxf2, khm has one more chance to save the game by playing >dxc3. > >[D]r1b1r1k1/p1p2ppp/2p5/4P3/1b1pQP1q/2NB3P/PPP2RP1/R1B4K b - - 0 15 > >Instead it follows through and plays 15...Qxf2, and ends up resigning 10 moves >later! > >Does your program avoid both of these moves? > >Here's the whole game: > >[Event "ICS rated blitz match"] >[Site "chessclub.com"] >[Date "2003.07.18"] >[Round "-"] >[White "CM9000"] >[Black "khmcrafty"] >[TimeControl "180"] >[Result "1-0"] >[WhiteELO "2561"] >[BlackELO "2490"] > >1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 exd4 5.Nxd4 Bb4 6.Nxc6 bxc6 7.Bd3 O-O >8.O-O d5 9.e5 Ng4 10.Qe1 Re8 11.f4 Qe7 12.Kh1 d4 13.Qe4 Qh4 14.h3 Nf2+ >15.Rxf2 Qxf2 16.Qxh7+ Kf8 17.Ne4 Qe1+ 18.Kh2 c5 19.Qh8+ Ke7 20.Qxg7 Bxh3 >21.Qf6+ Kf8 22.f5 Qxc1 23.Bc4 Qf4+ 24.Ng3 Re6 25.Bxe6 1-0 > >jm he probably had a slow machine or a modified crafty -- normal crafty moves off these moves in just a few seconds... Rebel 12 - Byrne,M r1b1r1k1/p1p2ppp/2p5/4P3/1b1pQPnq/2NB3P/PPP3P1/R1B2R1K b - - 0 1 Analysis by Crafty 19.04 ORI: 1...Nf2+ 2.Rxf2 Qxf2 3.Qxh7+ Kf8 4.Ne4 Qe1+ 5.Kh2 µ (-1.33) Depth: 4 00:00:00 1...Nf2+ 2.Rxf2 Qxf2 3.Nb5 Qh4 4.Nxd4 µ (-1.18) Depth: 5 00:00:00 1...Nf2+ 2.Rxf2 Qxf2 3.Nb5 Qh4 4.Nxd4 µ (-1.18) Depth: 5 00:00:00 1...Nf2+ 2.Rxf2 Qxf2 3.Nb5 f5 4.Qxc6 Qe1+ 5.Kh2 µ (-1.12) Depth: 6 00:00:00 110kN 1...Nf2+ 2.Rxf2 Qxf2 3.Nb5 f5 4.Qxc6 Qe1+ 5.Kh2 µ (-1.12) Depth: 6 00:00:00 223kN 1...Nf2+ 2.Rxf2 Qxf2 3.Qxh7+ Kf8 4.Ne2 Be6 5.Qh8+ Ke7 6.Qxg7 Rg8 7.Qf6+ Kd7 ³ (-0.42) Depth: 7 00:00:00 422kN 1...Nf2+ 2.Rxf2 Qxf2 3.Qxh7+ Kf8 4.Ne2 Be6 5.Qh8+ Ke7 6.Qxg7 Rg8 7.Qf6+ Kd7 ³ (-0.42) Depth: 7 00:00:01 986kN 1...Nf2+ 2.Rxf2 Qxf2 3.Qxh7+ Kf8 4.Ne4 Qe1+ 5.Kh2 c5 6.Qh8+ Ke7 7.Qxg7 c4 8.Bd2 Qxa1 9.Bxb4+ ² (0.53) Depth: 8 00:00:01 1644kN 1...dxc3 2.Qxb4 Nxe5 3.Qe4 f5 4.Qe1 Qxe1 5.Rxe1 cxb2 6.Bxb2 ³ (-0.29) Depth: 8 00:00:03 2874kN 1...dxc3 2.Qxb4 Nxe5 3.Qe4 f5 4.Qe1 Qxe1 5.Rxe1 cxb2 6.Bxb2 ³ (-0.29) Depth: 8 00:00:04 4082kN 1...dxc3 2.Qxb4 Nf2+ 3.Kg1 cxb2 4.Bxb2 Nxh3+ 5.gxh3 Bxh3 6.Rf3 Qg4+ 7.Kf2 = (-0.05) Depth: 9 00:00:05 5063kN 1...dxc3 2.Qxb4 Nf2+ 3.Kg1 cxb2 4.Bxb2 Nxh3+ 5.gxh3 Bxh3 6.Rf3 Qg4+ 7.Kf2 = (-0.05) Depth: 9 00:00:09 10108kN 1...dxc3 ³ (-0.45) Depth: 10 00:00:13 14097kN 1...dxc3 2.Qxb4 Nf2+ 3.Kh2 Nxh3 4.gxh3 Bxh3 5.Rh1 Bg4+ 6.Kg1 Qg3+ 7.Kf1 Bh3+ 8.Rxh3 Qxh3+ 9.Kg1 ³ (-0.56) Depth: 10 00:00:15 17006kN 1...dxc3 2.Qxb4 Nf2+ 3.Kh2 Nxh3 4.gxh3 Bxh3 5.Rh1 Bg4+ 6.Kg1 Qg3+ 7.Kf1 Bh3+ 8.Rxh3 Qxh3+ 9.Kg1 ³ (-0.56) Depth: 10 00:00:22 24798kN (Byrne, Secane, PA USA 19.07.2003)
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