Author: John Merlino
Date: 21:22:17 05/21/05
Go up one level in this thread
On May 21, 2005 at 22:30:47, Vladimir Xern wrote:
>According to SlowChess Blitz WV after a longer think, it's a mate in 9 beginning
>with Rxf6. Note that the following is on my 1.4 GHz Athlon. How long for The
>King to find the shorter mate?
>
>SlowChess Blitz WV (94 MB hash)
>FEN: r4k2/pp1q1p1p/5r1N/2pp2Q1/8/1P1PP3/P2P2P1/5RK1 w - -
>
>[16] M9 04:58.5 Rxf6 Ke8 Nf5 Qc7 Qg8+ Kd7 Qxf7+ Kc8 Ne7+ Kd8 Qg8+ Kd7 Qe6+
>Ke8 Nxd5+ Kd8 #mate1
>[15] M9 04:21.8 Rxf6 Ke8 Nf5 Qc7 Qg8+ Kd7 Qxf7+ Kc8 Ne7+ Kd8 Qg8+ Kd7 Qe6+
>Ke8 Nxd5+ Kd8 #mate1
>[15] M10 03:47.8 Rxf6 {++}
>[15] M10 01:19.7 Qxf6 Ke8 Qh8+ Ke7 Qe5+ Kf8 Rf5 Rc8 Qh8+ Ke7 Qf6+ Ke8 Re5+
>Qe6 Qxf7+ Kd8 Rxe6 a6 #mate1
>[14] M10 00:45.2 Qxf6 Ke8 Qh8+ Ke7 Qe5+ Kf8 Rf5 Rc8 Qh8+ Ke7 Qf6+ Ke8 Re5+
>Qe6 Qxf7+ Kd8 Rxe6 a6 #mate1
>[13] M10 00:24.2 Qxf6 Ke8 Qh8+ Ke7 Qe5+ Kf8 Rf5 Rc8 Qh8+ Ke7 Qf6+ Ke8 Re5+
>Qe6 Qxf7+ Kd8 Rxe6 a6 #mate1
>[12] M13 00:11.3 Qxf6 Ke8 Qh8+ Ke7 Qe5+ Kf8 Nf5 f6 Qxf6+ Qf7 Qh8+ Qg8 Nh6+
>Ke7 Nxg8+ Rxg8 Qxg8 c4 Qxd5 Ke8 Qe6+ Kd8 Rf8+ Kc7 Rc8+ #mate
>[11] M15 00:05.4 Qxf6 Ke8 Qh8+ Ke7 Qe5+ Kf8 Nf5 f6 Qxf6+ Qf7 Qh8+ Qg8 Nh6+
>Ke7 Nxg8+ Rxg8 Qxg8 c4 Qg7+ Kd6 Rf6+ Kc5 Qe7+ Kb5 a4+ Ka5 <tt>
>[10] 20.04 00:03.1 Qxf6 Ke8 Qh8+ Ke7 Qe5+ Kf8 Nf5 f6 Qxf6+ Qf7 Qh8+ Qg8 Nh6+
>Ke7 Nxg8+ Rxg8 Qxh7+ Rg7 Qxg7+ Kd6 Qxb7
>[9] 17.32 00:01.6 Qxf6 Ke8 Qh8+ Ke7 Rxf7+ Kd6 Qxa8 Qxf7 Nxf7+ Ke6 Nd8+ Ke5
>Nxb7 h5 Nxc5
>[8] 16.24 00:00.6 Qxf6 Ke8 Qh8+ Ke7 Rxf7+ Kd6 Qxa8 Qxf7 Nxf7+ Ke6 Qxb7 a6
>[7] 16.24 00:00.4 Qxf6 Ke8 Qh8+ Ke7 Rxf7+ Kd6 Qxa8 Qxf7 Nxf7+ Ke6 Qxb7
>[6] 13.76 00:00.0 Qxf6 Rc8 Nf5 Qxf5 Rxf5 Kg8 Qxf7+ Kh8 Qxd5
>[5] 13.76 00:00.0 Qxf6 Rc8 Nf5 Qxf5 Rxf5 Kg8 Qxf7+ Kh8 Qxd5
>[5] 10.12 00:00.0 Qxf6 {++}
>[5] 10.12 00:00.0 Rxf6 Qe8 Qf5 Kg7 Rxf7+ Qxf7 Nxf7
>[4] 8.92 00:00.0 Rxf6 Qe8 Rxf7+ Qxf7 Nxf7 Kxf7 Qxd5+ Kf6 Qxb7
>[3] 8.88 00:00.0 Rxf6 Re8 Rxf7+ Qxf7 Nxf7 Kxf7 Qxd5+ Kf6 Qxb7
>[3] 8.16 00:00.0 Qxf6 Qe8 Qh8+ Ke7 Qe5+ Kd8 Nxf7+ Kd7 Qxd5+ Kc7 Qxc5+ Kb8
>[2] 6.32 00:00.0 Qxf6 Ke8 Nxf7
The King (CM9_R1) confirms the mate in 9 in just under two minutes on a P4-2.4:
Time Depth Score Positions Moves
0:00 1/4 11.61 6906 1.Rxf6 Qe8 2.Rxf7+ Qxf7 3.Nxf7
Kxf7 4.Qxd5+ Kf6 5.Qxb7
0:00 1/4 13.66 10295 1.Qxf6 Rc8 2.Nf5 Qxf5 3.Rxf5
0:00 1/5 17.37 14908 1.Qxf6 Ke8 2.Qh8+ Ke7 3.Rxf7+ Kd6
4.Rxd7+ Kxd7 5.Qxa8
0:00 1/6 18.77 62023 1.Qxf6 Ke8 2.Qh8+ Ke7 3.Rxf7+ Kd6
4.Qxa8 Qxf7 5.Nxf7+ Kc6 6.Qxa7
0:00 1/7 19.21 85502 1.Qxf6 Ke8 2.Qh8+ Ke7 3.Rxf7+ Kd6
4.Qxa8 Qxf7 5.Nxf7+ Ke6 6.Qxb7 a6
0:00 1/8 19.55 151793 1.Qxf6 Ke8 2.Qh8+ Ke7 3.Rxf7+ Kd6
4.Qxa8 Qxf7 5.Nxf7+ Kc6 6.Qc8+
Kb6 7.Nd6 c4 8.dxc4
0:03 2/9 23.14 754704 1.Qxf6 Ke8 2.Qh8+ Ke7 3.Qe5+ Kf8
4.Nf5 f6 5.Qxf6+ Qf7 6.Qh8+ Qg8
7.Nh6+ Ke7 8.Nxg8+ Rxg8 9.Qxh7+
Kd8 10.Qxg8+ Kc7 11.Qxd5
0:06 2/10 23.14 1617047 1.Qxf6 Ke8 2.Qh8+ Ke7 3.Qe5+ Kf8
4.Nf5 f6 5.Qxf6+ Qf7 6.Qh8+ Qg8
7.Nh6+ Ke7 8.Nxg8+ Rxg8 9.Qxh7+
Kd8 10.Qxg8+ Kc7 11.Qxd5
0:18 2/11 Mate10 5437704 1.Qxf6 Ke8 2.Qh8+ Ke7 3.Qe5+ Kf8
4.Rf5 a5 5.Qh8+ Ke7 6.Qf6+ Ke8
7.Re5+ Qe6 8.Qxf7+ Kd8 9.Rxe6 Kc8
10.Re8#
0:33 3/12 Mate10 10146584 1.Qxf6 Ke8 2.Qh8+ Ke7 3.Qe5+ Kf8
4.Rf5 a5 5.Qh8+ Ke7 6.Qf6+ Ke8
7.Re5+ Qe6 8.Qxf7+ Kd8 9.Rxe6 Kc8
10.Re8#
1:10 3/13 Mate10 23068150 1.Qxf6 Ke8 2.Qh8+ Ke7 3.Qe5+ Kf8
4.Rf5 a5 5.Qh8+ Ke7 6.Qf6+ Ke8
7.Re5+ Qe6 8.Qxf7+ Kd8 9.Rxe6 Kc8
10.Re8#
1:58 3/13 Mate09 38887301 1.Rxf6 Ke8 2.Nf5 Qd8 3.Qg8+ Kd7
4.Qxf7+ Kc8 5.Nd6+ Qxd6 6.Rxd6
a6 7.Qd7+ Kb8 8.Rb6 Ka7 9.Qxb7#
jm
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