Author: Kurt Utzinger
Date: 23:14:07 06/03/05
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On June 03, 2005 at 19:00:30, Christos Gitsis wrote: >This is from one of my tournament games. > >[D] R7/6k1/P7/6pp/8/r6P/5PK1/8 w - - 1 42 > >My opponent, playing White, set a trap for me in this position with his last >move 42.h4. > >After 42...gxh4? white wins with a7 and f2-f4-f5-f6+: >If then ...Kf7 white plays Rh8 Rxa7 Rh7+ followed by Rxa7. >If ...Kxf6 Rf8+ wins. > >I suppose this is too deep for the engines, while an expert human player should >avoid the trap. > >After 42...g4 the position is equal. > >Is there an engine that plays 42...g4? Engine: Spike 0.9a (32 MB) von Ralf Schäfer und Volker Böhm 12.00 0:01 -0.97 1...gxh4 2.f3 Ta1 3.a7 Kh7 4.Kh2 Kg7 5.Kh3 Th1+ 6.Kg2 Ta1 7.f4 Ta3 8.f5 h3+ 9.Kh2 Kf7 10.Kg1 h4 (720.840) 522 12.00 0:01 -0.97 1...gxh4 2.f3 Ta1 3.a7 Kh7 4.Kh2 Kg7 5.Kh3 Th1+ 6.Kg2 Ta1 7.f4 Ta3 8.f5 h3+ 9.Kh2 Kf7 10.Kg1 h4 (809.965) 525 13.00 0:02 -0.85 1...gxh4 2.f3 Ta1 3.a7 Kh7 4.Kh2 Kg7 5.Kh3 Th1+ 6.Kg2 Ta1 7.f4 Ta3 8.f5 Kf7 9.Kf2 h3 (1.266.162) 548 13.00 0:02 -0.85 1...gxh4 2.f3 Ta1 3.a7 Kh7 4.Kh2 Kg7 5.Kh3 Th1+ 6.Kg2 Ta1 7.f4 Ta3 8.f5 Kf7 9.Kf2 h3 (1.331.068) 550 14.00 0:05 -1.15-- 1...gxh4 2.f3 Ta1 3.a7 Kh7 4.Kh2 Kg7 5.Kh3 Th1+ 6.Kg2 Ta1 7.f4 Ta3 8.f5 Kf7 9.Kf2 h3 10.Th8 (3.040.394) 564 14.00 0:05 -1.15-- 1...gxh4 2.f3 Ta1 3.a7 Kh7 4.Kh2 Kg7 5.Kh3 Th1+ 6.Kg2 Ta1 7.f4 Ta3 8.f5 Kf7 9.Kf2 h3 10.Th8 (3.299.323) 565 14.00 0:11 -3.15-- 1...gxh4 2.f3 Ta1 3.a7 Kh7 4.Kh2 Kg7 5.Kh3 Th1+ 6.Kg2 Ta1 7.f4 Ta3 8.f5 Kf7 9.Th8 h3+ 10.Kh2 (6.254.567) 566 14.02 0:22 -0.81 1...g4 2.Kh2 Ta2 3.Kg3 Ta4 4.Ta7+ Kh6 5.Kg2 Ta3 6.Kf1 Th3 7.Td7 Txh4 8.Td6+ Kg5 9.a7 Th1+ 10.Ke2 Ta1 (12.712.023) 564 14.02 0:22 -0.81 1...g4 2.Kh2 Ta2 3.Kg3 Ta4 4.Ta7+ Kh6 5.Kg2 Ta3 6.Kf1 Th3 7.Td7 Txh4 8.Td6+ Kg5 9.a7 Th1+ 10.Ke2 Ta1 (12.712.039) 562 15.00 0:27 -1.11-- 1...g4 2.Kh2 Ta2 3.Kg3 Ta4 4.Ta7+ Kh6 5.Kg2 Ta3 6.Kf1 Th3 7.Td7 Txh4 8.Td6+ Kg5 9.a7 Th1+ 10.Ke2 Ta1 (15.398.148) 565 15.10 0:28 -1.11-- 1...g4 2.Kh2 Ta2 3.Kg3 Ta4 4.Ta7+ Kh6 5.Kg2 Ta3 6.Kf1 Th3 7.Td7 Txh4 8.Td6+ Kg5 9.a7 Th1+ 10.Ke2 Ta1 (16.060.247) 566 15.10 0:29 -0.73 1...g4 2.Kh2 Ta2 3.Kg3 Ta4 4.Ta7+ Kh6 5.Kh2 Ta2 6.Kg2 Ta3 7.Kf1 Ta1+ 8.Ke2 Th1 9.Td7 Txh4 10.a7 (16.526.463) 567 15.10 0:29 -0.73 1...g4 2.Kh2 Ta2 3.Kg3 Ta4 4.Ta7+ Kh6 5.Kh2 Ta2 6.Kg2 Ta3 7.Kf1 Ta1+ 8.Ke2 Th1 9.Td7 Txh4 10.a7 (16.526.481) 567 16.00 0:35 -0.86 1...g4 2.Kh2 Kg6 3.a7 Kg7 4.Kg1 Ta1+ 5.Kg2 Ta2 6.Kg3 Ta4 7.f4 Ta3+ 8.Kf2 Ta2+ 9.Kf1 Ta1+ 10.Ke2 Ta2+ 11.Ke1 g3 12.f5 g2 (20.094.374) 571 16.03 0:35 -0.86 1...g4 2.Kh2 Kg6 3.a7 Kg7 4.Kg1 Ta1+ 5.Kg2 Ta2 6.Kg3 Ta4 7.f4 Ta3+ 8.Kf2 Ta2+ 9.Kf1 Ta1+ 10.Ke2 Ta2+ 11.Ke1 g3 12.f5 g2 (20.463.354) 571 17.00 0:43 -1.16-- 1...g4 2.Kh2 Kg6 3.a7 Kg7 4.Kg1 Ta1+ 5.Kg2 Ta2 6.Kg3 Ta4 7.f4 Ta3+ 8.Kf2 Ta2+ 9.Kf1 Ta1+ 10.Ke2 Ta2+ 11.Ke1 g3 12.f5 g2 (25.329.139) 576
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