Author: Steve Schooler
Date: 18:46:31 10/13/99
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On October 13, 1999 at 21:39:33, Steve Schooler wrote: >On October 13, 1999 at 19:49:58, Jeremiah Penery wrote: > >>On October 13, 1999 at 17:23:14, Howard Exner wrote: >> >>>Here's an example of pawn majority knowledge. A program >>>with pawn majority knowledge of the queen side configuration in this >>>example may well find the winning move Qg6+. >>> >>>4Q3/6pk/2pq4/3p4/1p1P3p/1P1K1P2/1PP3P1/8 b - - bm Qg6; >>> >>>After the exchange of queens will follow the the advance of the black king to >>>the kingside, then exchanges of the kingside pawns, and finally the king can >>>march over to pick up the queenside pawns. Is knowledge that white cannot break >>>through on the queenside essential for solving this? Would any program find Qg6? >> >>I think Qg6 only draws. >> >>Here's a line: 1. ...Qg6 2. Qxg6 Kxg6 3. Ke3 Kf5 4. c3 g5 5. Ke2 Kf4 6. Kf2 g4 >>7. fxg4 Kxg4, and this will draw. >> >>Can black improve on this? >> >>Jeremiah > >I suspect that black may win by zugzwang : in above line > >4... Kg5 5. Ke2 Kf4 6. Kf2 g6 7. cxb4 g5 8. Kg1 Kg3 9. Kh1 h3 >10. gxh3 Kxh3 and (I think) black wins. In above line, from my previous post, I overlooked 8. b5. I now suspect that White can draw.
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