Author: Mikael Bäckman
Date: 10:19:48 09/25/03
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On September 25, 2003 at 11:45:15, Tord Romstad wrote: >In the latest round of the Open Class of the Regensburg Winboard Circuit, >my program (playing black) reached the following position: > >[D]r5k/P6p/Q4pp/3p3r/3pb/5P/2P2KPq/R1R2B b - - bm Bxf3; > >Because of the strong attack against the white king, my program evaluates >the position as very good for black. Unfortunately, it was not able to >find a forced win quickly enough. The continuation was Qh4+ Kg1 Qf4 >(there was a draw here by Qh2+, of course), and my program eventually lost. > >When analysing the game with the help of my engine, I found that Bxf3! >seems to win for black. My engine needs 2 minutes and 18 seconds to >find this move when running on an Athlon MP 2.0 GHz (analysis below), >which I find quite disappointing. > >How fast do other engines solve this position? > >Tord > Chepla does really bad here. -0.23 84694k 322.2 Qf4 Re1 Rh2 Rxe4 dxe4 Qb7 Qxf3+ Kg1 Rxg2+ Bxg2 Qe3+ Kf1 Qf4+ Kg1 Qe3+ Kh1 Qh6+ Kg1 12/32 I aborted the search after 10 minutes without a solution. /Mikael
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