Author: Uri Blass
Date: 18:22:06 01/28/03
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On January 28, 2003 at 19:27:29, Tony Werten wrote: >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? > >XiniX needs 1m44 to drop g5 > >ply:11/21 score:0.060 time:0:22 224 Kn/s >1. .. g5 2.Nxg5 hxg5 3.Bxg5 Bb7 4.Nf5 Nc4 5.Qg3 Nh5 6.Qg4 f6 7.Qxh5 fxg5 > >ply:11/22 score:0.068 time:1:44 219 Kn/s >1. .. Bb7 2.Bxf6 Qxf6 3.a4 bxa4 4.Bxa4 Nxa4 5.Rxa4 Be7 6.b5 axb5 7.Qxb5 > >Tony I am not sure if it is a good test position. It is possible that g5 was not a mistake and the mistake was later. Black has alternatives later in the game(for example 27...axb5 instead of the better move 27...Bxb5). It is a common mistake of humans to assum that a sacrifice was winning without proof only because of the fact that the side who sacrificed won and it is possible that Nxg5 is enough only for a draw like other moves. It is also a common mistake of me to analyze chess positions instead of working about more important things like Movei or maybe they are not more important. Uri
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