Author: Steffen Jakob
Date: 12:09:45 01/28/03
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On January 28, 2003 at 12:52:54, Thomas Lagershausen wrote: >[D]2rqrbk1/5pp1/pnbp1n1p/1p2p3/1P2P2B/1BPQ1NNP/P4PP1/R3R1K1 b - - not 21...g5? > >Pepito 1.55 on Athlon 1.5 Ghz by Carlos del Cacho will play here 21..g6 ! > >This avoids 22.Nh5 or Nf5 by white and gives black a healthy kingposition. > >As we see in the game the bishop on h4 is poisenend. > >How long did it take for your program to avoid 21...g5? On my CCT5 hardware, a P4 2.8 GHz machine, Hossa 1.152 needs 3:32 to switch from g5 to g6 but only with a very small eval difference: 6 +0.24 0.43 41132 1... g5 2.f3xg5 h6xg5 3.h4xg5 c6d7 4.g3h5 <6> +0.24 0.51 59956 1... g5 2.f3xg5 h6xg5 3.h4xg5 c6d7 4.g3h5 7 +0.31 0.60 87856 1... g5 2.f3xg5 h6xg5 3.h4xg5 f8g7 4.g3h5 g7h8 <7> +0.31 0.85 175438 1... g5 2.f3xg5 h6xg5 3.h4xg5 f8g7 4.g3h5 g7h8 8 +0.15 1.10 282401 1... g5 2.f3xg5 h6xg5 3.h4xg5 c6b7 4.g5xf6 d8xf6 5.g3f5 <8> +0.15 1.70 467668 1... g5 2.f3xg5 h6xg5 3.h4xg5 c6b7 4.g5xf6 d8xf6 5.g3f5 9 +0.12 2.27 671939 1... g5 2.f3xg5 h6xg5 3.h4xg5 c8a8 4.g3f5 a5 5.b4xa5 a8xa5 <9> +0.12 2.71 843750 1... g5 2.f3xg5 h6xg5 3.h4xg5 c8a8 4.g3f5 a5 5.b4xa5 a8xa5 10 +0.07 5.06 1592109 1... g5 2.f3xg5 h6xg5 3.h4xg5 f8g7 4.a1d1 d8d7 5.g5e3 b6a8 6.d1d2 <10> +0.07 6.78 2200586 1... g5 2.f3xg5 h6xg5 3.h4xg5 f8g7 4.a1d1 d8d7 5.g5e3 b6a8 6.d1d2 11 -0.12 11.21 3447139 1... g5 2.f3xg5 h6xg5 3.h4xg5 c6b7 4.g3f5 b6c4 5.d3g3 f8g7 6.g3h4 d5 7.b3xc4 c8xc4 8.g5xf6 g7xf6 32/11 -0.10 3:32 60093901 1... g6 2.h4xf6 d8xf6 3.a1d1 f6e7 4.e1e2 e8d8 5.e2d2 d8d7 6.d3e3 e7d8 <11> -0.10 3:32 60093901 1... g6 2.h4xf6 d8xf6 3.a1d1 f6e7 4.e1e2 e8d8 5.e2d2 d8d7 6.d3e3 e7d8 12 -0.13 6:41 107648759 1... g6 2.d3e3 b6d7 3.a4 d8c7 4.a4xb5 c6xb5 5.c4 b5xc4 6.a1c1 d5 7.h4xf6 d7xf6 8.e4xd5 Greetings, Steffen. // >[Event "CCT5 45 10"] >[Site "Internet Chess Club"] >[Date "2003.01.18"] >[Round "5"] >[White "Ferret"] >[Black "Crafty"] >[Result "1-0"] >[ECO "C91"] >[Time "17:58:11"] >[Comment "Black resigns"] > >1 .e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.d4 d6 9.c3 >Bb7 10.h3 Re8 11.Nbd2 Bf8 12.d5 Nb8 13.Nf1 Nbd7 14.Ng3 Nc5 15.Bc2 c6 16.b4 Ncd7 >17.dxc6 Bxc6 18.Bb3 Nb6 19.Qd3 Rc8 20.Bg5 h6 21.Bh4 g5 22.Nxg5 hxg5 23.Bxg5 Nc4 >24.Nf5 >Bg7 25.Qg3 Re6 26.a4 Qf8 27.axb5 axb5 28.Bh6 Ne8 29.Qg5 Ra8 30.Rxa8 Bxa8 31.Bxg7 >Nxg7 32.Bxc4 bxc4 33.Re3 Rg6 34.Ne7+ Kh7 35.Nxg6 fxg6 36.Rf3 Qe8 37.Rf6 Ne6 >38.Qg4 >Nf8 39.Qh4+ Kg7 40.Rxd6 Ne6 41.Qg3 Nf8 42.Qg5 Bxe4 43.Qf6+ Kg8 44.Rd8 Qf7 >45.Qxe5 >Qf5 46.Qe7 Bd5 47.Qc5 Bb7 48.Qxc4+ Qf7 49.Qh4 Ba6 50.Qg3 Bc4 51.Qe5 Qf5 52.Qd4 >Qf7 >53.Qc5 Ba6 54.b5 Bb7 55.c4 Qf6 56.Rb8 Qf7 {} 1-0 > >TL
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