Author: Shane Booth
Date: 00:36:23 01/15/98
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On January 14, 1998 at 21:18:23, Robert Hyatt wrote: >On January 14, 1998 at 16:53:06, Vincent Lejeune wrote: > >>I've red a book chess problem, and find the following position : >>[FEN "8/7p/6pP/k4pP1/b1p1pP2/KpPpP3/1P1P4/7Q w - - 0 1"] > >here's Crafty's analysis: > 19-> 1:00 7.30 Qg2 Bc6 Qg3 Kb5 Qh4 Ka5 Qf2 Kb5 Qh2 > Ka5 Qh3 Bd5 Qg3 Ba8 Qf2 Bd5 Qg1 Kb5 > Qf2 Kc5 >certainly seems to be winning... This is a wonderful position! After 1. Qd1, if 1... Kb5 then 2. Qh5! gxh5 3. g6 wins. Very pretty. I'm not 100% sure about the main line: 1. Qd1 Bany 2. Qxb3 cxb3 3. Kb3 whether this is a win or not. Obviously the two connected passed pawns will be strong for white but there's lots of analysis to do to prove this to be a win. It reminds me of another blocked pawn position I saw a few years ago as an example of a position difficult for computers but trivial for a human: 7r/1k5p/2p3pP/rpPp1pP/p2PpP/P3P/1K/4B (white to move) Due to the blocked pawns, 1. Bb4 obviously draws. 1. Bxa5, snaffling a free rook, is tempting for a computer, but 1... b4! wins as the black king can penetrate the white position. -- Shane Booth
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