Author: John Merlino
Date: 14:41:33 03/03/04
Go up one level in this thread
On March 03, 2004 at 15:57:07, Robert Hyatt wrote: >On March 03, 2004 at 15:53:45, Robert Hyatt wrote: > >>On March 03, 2004 at 13:51:09, John Merlino wrote: >> >>>On March 02, 2004 at 21:56:21, Mike Byrne wrote: >>> >>>>Crafty 19.11 SE [Karpov] (not released - still testing) vs Ruffian 2.02 >>>>[d] 8/3k1p1p/3P4/4pq2/7Q/P1P5/5P1K/8 w - - 0 68 >>>> >>>>Qh3! wins easily ... >>> >>>Does it? Please tell a patzer like me how White wins after 1.Qh3 Qxh3+ 2.Kxh3 >>>f5! >>> >>>Many thanks, >>> >>>jm >> >> >>What do you do to stop white's a pawn? Meanwhile whte plays c4-c5 and he has a >>protected passed pawn black can't do anything about. White then eats the >>kingside and marches up to escort the c/d pawns... >> >>I don't see how black defends against that... > > >Sorry mental error. No pawn on d6 if you take. But it still looks bad for >black. Perhaps a drawing hope with the h-pawn... Ok, here's the position after 1.Qh3 Qxh3+ 2.Kxh3 f5: [D]8/3k3p/3P4/4pp2/8/P1P4K/5P2/8 w - f6 0 3 CM9000_SKR on a P4-2.4 (no tablebases) says draw: Time Depth Score Positions Moves 0:00 6/13 0.99 103055 70.Kh4 Kxd6 71.Kg5 f4 72.a4 f3 73.Kf5 h5 74.Ke4 h4 75.Kxf3 h3 76.Kg3 0:00 7/14 0.38 239891 70.Kh4 h6 71.Kh5 e4 72.a4 Kxd6 73.a5 Kc7 74.a6 f4 75.Kg4 e3 76.Kf3 Kb6 77.fxe3 fxe3 78.Kxe3 Kxa6 0:01 8/15 0.39 478715 70.Kh4 h6 71.Kh5 e4 72.a4 Kxd6 73.a5 Kc7 74.a6 f4 75.Kg4 e3 76.fxe3 fxe3 77.Kf3 Kb6 78.a7 0:02 9/16 0.51 824349 70.Kh4 h6 71.a4 Kxd6 72.a5 Kc7 73.c4 Kc6 74.Kh5 e4 75.a6 f4 76.Kg4 e3 77.Kf3 exf2 78.Kxf2 Kb6 79.Kf3 0:04 10/17 0.49 1508652 70.Kh4 h6 71.a4 Kxd6 72.a5 Kc6 73.c4 e4 74.Kh5 Kb7 75.c5 f4 76.Kg4 e3 77.fxe3 fxe3 78.Kf3 Kc6 79.Kxe3 Kxc5 0:07 11/18 0.49 2545506 70.Kh4 h6 71.a4 Kxd6 72.a5 Kc6 73.c4 e4 74.Kh5 Kb7 75.c5 f4 76.Kg4 e3 77.fxe3 fxe3 78.Kf3 Kc6 79.Kxe3 Kxc5 0:14 12/19 0.00 4616918 70.Kh4 h6 71.a4 Kxd6 72.a5 Kc6 73.c4 e4 74.Kh5 Kc5 75.Kh4 Kc6 0:31 13/20 0.00 9362016 70.Kh4 h6 71.a4 Kxd6 72.a5 Kc6 73.c4 e4 74.Kh5 Kc5 75.Kh4 Kc6 0:54 14/21 0.00 15550874 70.Kh4 h6 71.a4 Kxd6 72.a5 Kc6 73.c4 e4 74.Kh5 Kc5 75.Kh4 Kc6 1:47 15/22 0.00 29828962 70.Kh4 h6 71.a4 Kxd6 72.a5 Kc6 73.c4 e4 74.Kh5 Kc5 75.Kh4 Kc6 3:23 16/23 0.00 54455498 70.Kh4 h6 71.a4 Kxd6 72.a5 Kc6 73.c4 e4 74.Kh5 Kc5 75.Kh4 Kc6 7:02 17/24 0.00 109371625 70.Kh4 h6 71.a4 Kxd6 72.a5 Kc6 73.c4 e4 74.Kh5 Kc5 75.Kh4 Kc6 Can somebody prove it wrong? jm
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