Author: John Merlino
Date: 12:25:48 06/18/02
Go up one level in this thread
On June 18, 2002 at 14:53:22, Dann Corbit wrote: >On June 18, 2002 at 14:16:13, John Merlino wrote: > >>On June 18, 2002 at 12:30:13, Charlie GOLD wrote: >> >>> Here is a position that I gave to Fritz 6. After 7 minutes on infinite it >>>only comes up with Rxf4. I believe that Rxh5 leads to a win. >>> [D] 4r1k1/qp1r1p2/2pb1Bp1/p6p/2PP1n1R/1P3P2/P4P2/2Q2K1R w 0 1 >> >>Guess what, folks. Qxf4 is the best move!!! Chessmaster 9000 announces Mate in >>10 for Qxf4 in 25 seconds on a PIII-600: >> >>Time Depth Score Positions Moves >>0:00 1/3 -1.80 2438 1.Rxf4 Bxf4 2.Qxf4 Re6 3.Be5 b6 >>0:00 1/4 -1.26 7609 1.Rxf4 Bxf4 2.Qxf4 Re6 3.Be5 Kh7 >> 4.Qg5 >>0:00 2/5 -1.26 24204 1.Rxf4 Bxf4 2.Qxf4 Re6 3.Be5 Kh7 >> 4.Qg5 >>0:02 2/6 -1.43 113961 1.Rxf4 Re6 2.Rf5 Rxf6 3.Rxf6 Qxd4 >> 4.Qg5 Be5 >>0:02 2/6 1.34 148059 1.Rxh5 gxh5 2.Qxf4 Re1+ 3.Kxe1 >> Re7+ 4.Be5 Bxe5 5.Qg5+ Kf8 6.dxe5 >>0:03 3/7 2.28 229134 1.Rxh5 gxh5 2.Qxf4 Re1+ 3.Kxe1 >> Re7+ 4.Be5 Bxe5 5.dxe5 Rd7 6.Qg5+ >> Kf8 7.Rxh5 >>0:11 3/8 9.09 789648 1.Rxh5 gxh5 2.Qxf4 Re1+ 3.Kxe1 >> Re7+ 4.Kf1 Re1+ 5.Kxe1 Bb4+ 6.Kf1 >> Kf8 7.Rxh5 >>0:15 3/8 13.43 1118477 1.Qxf4 Re1+ 2.Kxe1 Bxf4 3.Rxh5 >> Re7+ 4.Kf1 Re1+ 5.Kxe1 Bd2+ 6.Kxd2 >> gxh5 7.Rxh5 Qxd4+ 8.Bxd4 Kf8 9.Rxa5 >> Ke7 >>0:25 4/9 Mate10 2173987 1.Qxf4 Re1+ 2.Kg2 Rg1+ 3.Kxg1 Qc5 >> 4.Rxh5 gxh5 5.Qh6 Qg5+ 6.Qxg5+ >> Kf8 7.Qg8+ Kxg8 8.Rxh5 Bh2+ 9.Rxh2 >> Kf8 10.Rh8# >>0:31 4/10 Mate10 2759618 1.Qxf4 Re1+ 2.Kg2 Rg1+ 3.Kxg1 Qc5 >> 4.Rxh5 gxh5 5.Qh6 Qg5+ 6.Qxg5+ >> Kf8 7.Qg8+ Kxg8 8.Rxh5 Bh2+ 9.Rxh2 >> Kf8 10.Rh8# >>0:45 5/11 Mate10 4504935 1.Qxf4 Re1+ 2.Kg2 Rg1+ 3.Kxg1 Qc5 >> 4.Rxh5 gxh5 5.Qh6 Qg5+ 6.Qxg5+ >> Kf8 7.Qg8+ Kxg8 8.Rxh5 Bh2+ 9.Rxh2 >> Kf8 10.Rh8# >[snip] > >Verified as the best move by Chest: >4r1k1/qp1r1p2/2pb1Bp1/p6p/2PP1n1R/1P3P2/P4P2/2Q2K1R w - - acn 175975510; acs >1404; bm Qxf4; ce 32748; dm 10; pv Qxf4 Re1+ Kxe1 Bb4+ Kf1 Rxd4 Bxd4 f5 Rxh5 >gxh5 Rg1+ Kf8 Qxf5+ Ke8 Qc8+ Ke7 Rg7+ Kd6 Qd7#; Phew! Thanks for verifying that. I was 99.99% sure that it wasn't a bug in the new engine, but.... jm
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