Author: Mike S.
Date: 04:04:57 05/13/02
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On May 12, 2002 at 22:06:02, John Merlino wrote: >On May 12, 2002 at 16:14:40, Thomas Lagershausen wrote: > >>(...) >>[D]1r4k1/2qn1pbp/b2p1np1/p1pPp3/PrP1P3/3B1NNP/2QB1PP1/R1R3K1 w - - >>not 26.Bxb4 ? >Interesting position. Chessmaster 9000 (PIII-733) also never considers Bxb4, >nor does it like Ra2. Instead it prefers Bc3 or Qd1 (depending on the time >control): I did use a position in the positional part of my old test, which contains a similar idea: Liublinsky - Botvinnik, Moskau, 1943 [Pos.Profil-08 (Nielsen-Ratingtest)] [D]1r1r2k1/2b1qp1p/b1p3p1/p1p1p3/2P1P3/1PN1BP2/P1Q3PP/R2R2K1 b - - 0 1 1...Rd4! Usually, programs which decide to play 1...Rd4, don't expect White to take the rook (which would also give Black a protected passer, similar to the position above). King 3.12c and Hiarcs 7.32 do not go for Rd4 within 6 minutes on P3/700. I have best results with Yace 0.99.56 and Fritz 6 light in this position, followed by Fritz 7.0.0.2 (..6 takes more time), and Crafty 18.1. Regards, M.Scheidl
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