Author: Dann Corbit
Date: 16:14:18 02/28/02
Go up one level in this thread
On February 28, 2002 at 15:00:03, Les Fernandez wrote: >[D]8/4b1k1/R5pp/2p1pp2/1pQq4/1P1P3P/1P3PPK/8 w - - > > >I am interested to know if the above position can be held by black. White is >short on time but can force perpetual by Qe6. Although a rook is better then a >bishop, most of the time, should white exchange queens here? I am only an >average player but after doing a little analysis on this position Crafty reports >the following on a fairly slow machine. (Pentium 350, 256 mb ram) > >8/4b1k1/R5pp/2p1pp2/1pQq4/1P1P3P/1P3PPK/8 w - - acd 15; acn 170618898; acs 900; >ce 155; pv Kg1 Qxc4 bxc4 h5 g3 Kf7 Kg2 Bf6 Rc6 Be7 Kf3 g5; > >Although white is reported to have a 1.55 advantage after Kg1 I wonder if the >position can be held by black. I also took a look at the position with white >taking the queen and the ce still appeared about the same with black capturing >white queen with cxd4. > >8/4b1k1/R5pp/2p1pp2/1p1Q4/1P1P3P/1P3PPK/8 b - - acd 17; acn 186582676; acs 902; >ce -151; pv cxd4 Kg3 Kf7 Kf3 h5 Rc6 Bf6 Rb6 Be7 g3 Bf8 h4 Be7; > >Question is with queens off the board can the white rook start chopping up the >black pawns while the black bishop exists? Can someone run this on better >hardware and tkae it a bit deeper to see what falls out? Some analysis of the alternatives by Chess Tiger: [D]8/4b1k1/R5pp/4pp2/1p1p4/1P1P3P/1P3PPK/8 w - - ce 174; acd 18; acs 600; pv Kg3 Kf7 Kf3 h5 g3 Bf8 h4 Bc5 Rc6 Bf8 Ke2 Be7 Ra6 Bf8 f3 Be7 Kd2 Bc5; c0 "after Qxd4 cxd4"; [D]8/4b1k1/R5pp/4pp2/1p1p4/1P1P3P/1P3PP1/6K1 b - - ce -178; acd 19; acs 1; pv Kf7 Kf1 h5 Ke2 Bh4 g3 Be7 h4 Bf8 Rc6 Bh6 Rb6 Bf8 Kf3 Be7 Rc6 Bf6 Ra6 Be7; c0 "after Kg1"; [D]8/4b1k1/4R1pp/2p1pp2/1pQq4/1P1P3P/1P3PPK/8 b - - ce -230; acd 15; acs 1; pv Bf8 Qxd4 exd4 Kg3 Kf7 Rc6 Be7 Kf4 Bg5+ Ke5 Be7 Kd5 h5 Rc7 g5 h4 gxh4; c0 "after Re6"; [D]8/4b1k1/R5pp/2p2p2/1p1p2P1/1P1P3P/1P3P1K/8 b - - ce -254; acd 19; acs 600; pv fxg4 hxg4 Kf7 Kg3 h5 f4 h4+ Kf3 g5 Ke4 gxf4 Kxf4 Kg7 Rc6 Kf8 g5 h3 Kg3 Bxg5 Rxc5; c0 "after Qxd4 cxd4 g4";
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