Author: John Merlino
Date: 14:23:51 01/23/04
Go up one level in this thread
On January 23, 2004 at 16:36:24, Yar wrote: >Hello, > >Can your engine find mate in 11 here ? > >[D]3QK1bk/1p3p2/2p2N2/4p3/B1P1p2p/qP3p2/5r1r/b7 w KQkq - 0 1 > > >PS >Position from old issue of russian chess magazine '64' > >Good luck, > >Yar Chessmaster 9000, SKR personality on a P4-2.4, finds Mate in 14 in eight seconds, then announces Mate in 13 in 17 seconds. I also believe that this is the shortest mate, as I played through several variations and could not find any improvements for White: Time Depth Score Positions Moves 0:00 1/3 -12.73 1110 1.Ng4 Kh7 2.Nxf2 f5 0:00 1/4 -7.24 3129 1.Ng4 Kh7 2.Qf6 Qe7+ 3.Qxe7 0:00 1/5 0.00 20900 1.Ng4 Kh7 2.Qf6 Qc1 3.Qf5+ Kh8 4.Qf6+ Kh7 0:00 1/6 0.00 37310 1.Ng4 Kh7 2.Qf6 Qc1 3.Qf5+ Kh8 4.Qf6+ Kh7 0:00 1/7 0.00 59445 1.Ng4 Kh7 2.Qf6 Qc1 3.Qf5+ Kh8 4.Qf6+ Kh7 0:00 1/8 0.00 106975 1.Ng4 Kh7 2.Qf6 Qc1 3.Qf5+ Kh8 4.Qf6+ Kh7 0:01 1/9 0.00 244373 1.Ng4 Kh7 2.Qf6 Qc1 3.Qf5+ Kh8 4.Qf6+ Kh7 0:03 1/10 0.00 828655 1.Ng4 Kh7 2.Qf6 Qc1 3.Qf5+ Kh8 4.Qf6+ Kh7 0:08 1/11 Mate14 2050488 1.Ng4 Kh7 2.Qf6 Qc1 3.Kf8 Qa3+ 4.b4 Qxb4+ 5.Ke8 Qd2 6.Bc2 Re2 7.Kf8 Qb4+ 8.c5 Qxc5+ 9.Ke8 Qd6 10.Qxd6 f6 11.Qe7+ Bf7+ 12.Kf8 Rxc2 13.Qxf7+ Kh8 14.Qg7# 0:17 1/12 Mate13 4552822 1.Ng4 Kh7 2.Qf6 Qc1 3.Kf8 Qa3+ 4.b4 Qxb4+ 5.Ke8 Qd2 6.Bc2 Re2 7.Kf8 Qb4+ 8.c5 Qxc5+ 9.Ke8 Qd6 10.Qxd6 f6 11.Qxf6 Bf7+ 12.Kxf7 Rxc2 13.Qh6# 0:35 2/13 Mate13 9414793 1.Ng4 Kh7 2.Qf6 Qc1 3.Kf8 Qa3+ 4.b4 Qxb4+ 5.Ke8 Qd2 6.Bc2 Re2 7.Kf8 Qb4+ 8.c5 Qxc5+ 9.Ke8 Qd6 10.Qxd6 f6 11.Qxf6 Bf7+ 12.Kxf7 Rxc2 13.Qh6# jm
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