Author: John Merlino
Date: 11:02:29 02/28/04
Go up one level in this thread
On February 28, 2004 at 10:27:51, Art Basham wrote: >[D]r1bq2kr/p1pp1ppp/1pn1p3/4P3/2Pb2Q1/BR6/P4PPP/3K1BNR w - - 0 1 > >Hi.. >I was wondering if any programs out there announce mate at move 1... >beginning with Qxg7+...? > >My programs find Qxg7 but do not ann. a mate...etc >thanks! >Art After forcing the obvious 1.Qxg7 Kxg7 2.Rg3+, CM9000 (SKR personality on a P4-2.4) still does not see a mate after over 25 minutes: Time Depth Score Positions Moves 0:00 1/6 3.65 20899 2...Kh6 3.Bc1+ Qg5 4.Bxg5+ Kg7 5.Bf6+ Kf8 6.Bxh8 Bxf2 0:00 1/7 3.80 47935 2...Kh6 3.Bc1+ Qg5 4.Bxg5+ Kg7 5.Bf6+ Kf8 6.Bg7+ Ke7 7.Bxh8 Nxe5 8.Ne2 0:00 1/7 3.56 69522 2...Qg5 3.Rxg5+ Kh6 4.Rg3 Be3 5.Rxe3 Rg8 6.Rh3+ Kg7 7.Bd3 h6 0:00 1/8 3.85 110051 2...Qg5 3.Rxg5+ Kh6 4.Rg3 Be3 5.Rxe3 Rg8 6.Rh3+ Kg7 7.Nf3 Kh8 8.Bd3 0:01 1/9 3.96 241808 2...Qg5 3.Rxg5+ Kh6 4.Rg3 Be3 5.Rxe3 Rg8 6.Rh3+ Kg7 7.Bd3 Nxe5 8.Rxh7+ Kf6 9.Be4 Nxc4 10.Bxa8 Nxa3 0:02 1/10 3.74 606087 2...Qg5 3.Rxg5+ Kh6 4.Rg3 Be3 5.Rxe3 Rg8 6.Rh3+ Kg7 7.Bd3 Nxe5 8.Rxh7+ Kf6 9.Be4 c6 10.Rh6+ Kg7 0:06 1/11 5.69 1534659 2...Qg5 3.Rxg5+ Kh6 4.Rg3 Be3 5.fxe3 Nxe5 6.Be7 Ba6 7.Bf6 Bxc4 8.Bg7+ Kh5 9.Nh3 Ng4 10.Nf4+ Kg5 11.Bxc4 0:13 1/12 5.84 3431998 2...Qg5 3.Rxg5+ Kh6 4.Rg3 Be3 5.fxe3 Nxe5 6.Bb2 d6 7.e4 Ng6 8.Rh3+ Kg5 9.Nf3+ Kf4 10.Bxh8 Nxh8 11.Rxh7 0:33 1/13 5.79 9599299 2...Qg5 3.Rxg5+ Kh6 4.Rg3 Be3 5.fxe3 Nxe5 6.Bb2 d6 7.e4 Ng6 8.Rh3+ Kg5 9.Nf3+ Kf4 10.Bxh8 Nxh8 11.Rh4+ Ke3 12.Rxh7 2:00 2/14 7.46 36025958 2...Qg5 3.Rxg5+ Kh6 4.Rg3 Be3 5.fxe3 Nxe5 6.Bb2 f6 7.e4 Ng4 8.Rxg4 Bb7 9.Be2 Rhg8 10.Bc1+ Rg5 11.Bxg5+ fxg5 5:53 3/15 8.08 104471937 2...Qg5 3.Rxg5+ Kh6 4.Rg3 Be3 5.fxe3 Nxe5 6.Bb2 f6 7.e4 Ng6 8.Bxf6 Rf8 9.Rh3+ Nh4 10.Rxh4+ Kg6 11.e5 h5 12.Nh3 Bb7 13.Nf4+ Kf7 14.Rxh5 25:58 4/16 8.07 432967868 2...Qg5 3.Rxg5+ Kh6 4.Rg3 Be3 5.fxe3 Nxe5 6.Bb2 f6 7.e4 Ng6 8.Bxf6 Rg8 9.e5 Bb7 10.Rh3+ Nh4 11.Rxh4+ Kg6 12.Bd3+ Kf7 13.Rxh7+ Kf8 14.Be7+ Ke8 jm
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