Author: John Merlino
Date: 15:23:04 02/17/03
Go up one level in this thread
On February 17, 2003 at 17:57:53, Art Basham wrote: >Here black plays the simple Rf6... >then Rg6, and then later Rg4....and of course wins...! >...(If white tries to play h4, etc, Rxh4 mates).. > >[D]5rk1/1p1r2p1/1Qp1p2p/2P4q/3P3P/2R1PbP1/PP3P2/5RK1 b - h3 0 4 > >There may be other ways to win, but I wonder if any computer program >finds....Rf6..? It seems like there are at least three other winning moves: Be4, Qg4 and g5 (and perhaps Be2). Chessmaster 9000 likes all of these (analysis on a P3-733): Time Depth Score Positions Moves 0:00 1/5 -2.76 8590 4...Be2 5.Qb3 Bxf1 6.Kxf1 Qf5 7.f4 Qe4 0:00 1/6 -2.97 32208 4...Be2 5.Rcc1 Bxf1 6.Rxf1 Qd5 7.Qa5 Qf3 0:01 1/7 -2.92 78510 4...Be2 5.Rcc1 Bxf1 6.Rxf1 Qd5 7.Qa5 Qf3 8.Qc3 0:02 1/8 -2.99 170989 4...Be2 5.Rcc1 Rdf7 6.Qb3 Bxf1 7.Rxf1 Qd5 8.Qa4 0:05 1/9 -3.02 401074 4...Be2 5.Rcc1 Bxf1 6.Rxf1 Qd5 7.Qa5 e5 8.dxe5 Qxe5 9.Qb4 Qd5 0:07 1/9 -5.15 611486 4...Be4 5.Qb3 Qg4 6.Kh2 Rdf7 7.Rc2 Qf3 8.Rg1 Bxc2 9.Qxc2 Qxf2+ 10.Rg2 Qxe3 0:12 1/10 -6.95 1147885 4...Be4 5.Qb3 Qg4 6.Kh2 Qf3 7.Qxe6+ Rdf7 8.Qxe4 Qxe4 9.f4 Ra8 10.a3 Re8 0:30 2/11 -7.01 3200947 4...Be4 5.Qb3 Qg4 6.Kh2 Qf3 7.Qxe6+ Rdf7 8.Qxe4 Qxe4 9.f4 Ra8 10.a3 Re8 11.g4 1:47 3/12 -8.22 11617281 4...Be4 5.Qb3 Qg4 6.Kh2 Rd5 7.Qc2 Bxc2 8.Rxc2 e5 9.dxe5 Rxe5 10.Rg1 Rd5 11.f4 Rd1 4:11 3/12 -9.40 26516761 4...Qg4 5.Kh2 g5 6.Rc2 gxh4 7.Rg1 Rg7 8.Qc7 hxg3+ 9.Qxg3 Qh5+ 10.Qh3 Qxh3+ 11.Kxh3 Rxg1 12.Rc3 Rg2 5:22 3/12 -11.22 33865389 4...g5 5.Qb3 Qg4 6.e4 gxh4 7.Re1 hxg3 8.Ree3 gxf2+ 9.Kxf2 Bd1+ 10.Rf3 Rxf3+ 11.Rxf3 Bxb3 12.Rxb3 Qxe4 8:21 4/13 -11.85 52730301 4...g5 5.Qb3 Qg4 6.e4 gxh4 7.Rxf3 Rxf3 8.Kg2 Rxb3 9.axb3 Qxe4+ 10.Kh3 Qxd4 11.Re1 Qxf2 jm
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