Author: Heiner Marxen
Date: 14:11:47 05/26/01
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On May 26, 2001 at 15:46:20, Uri Blass wrote: >[D]2nbkn2/1P1pp1P1/1qPrPq1r/B2N3b/3PN3/q1RB4/3K2Q1/5R2 b - - > >This position is based on leonid's position but it is black to move. > >Black can force mate in at most 11 when the main line begins with > >1...Qbb2+ 2.Ke3 Qxd4+ 3.Kxd4 Rxd5+ 4.Ke3 Bb6+ 5.Bxb6 Qxb6+ 6.Nc5 Qbxc5+ >7.Rxc5 Rd3+ > >Junior found this line and yace by going forward and backward decided to believe >Junior. Chest agrees completely, this is a mate in 11, and Qbb2+ is the only key move for this. Chest gives the same PV, except for two exchanged moves: Qbb2+ Ke3 Qxd4+ Kxd4 Bb6+ Bxb6 Rxd5+ Ke3 Qxb6+ Nc5 Qbxc5+ Rxc5 Rxd3+ Ke4 Nd6+ Kf4 Nxe6+ Ke5 Re3+ =*= Qxc5# (11 minutes on K7/600 with 350MB hash) Your second position is not yet ready... Heiner
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