Author: Jonathan Kreuzer
Date: 09:38:48 06/08/05
Go up one level in this thread
It's impressive that there's such a long mate when white has so few pieces. I
ended up leaving it running it in the background, the mate was found in just
under 11 minutes on an AMD 2700.
For the position in the original post, it takes 2.3 seconds to find Bf6 (no mate
found.)
AMD 2700
SlowChess Blitz WV (46 MB hash)
FEN: rn3rk1/bbpp1ppp/pn6/q2p4/3P4/P1PB1N2/1P3PPP/3QR1K1 w - -
[16] M14 10:58.6 Bxh7+ Kxh7 Ng5+ Kg6 Qd3+ f5 Qg3 Qxc3 bxc3 Kf6 Qh4 Nc6 Ne6+
Kf7 Qh5+ g6 Qh7+ Ke8 Qxg6+ Ke7 Ng7+ Ne5 Rxe5+ Kd8 Re8+ Rxe8 #mate1
[15] 1.56 06:08.4 Bxh7+ Kxh7 Ng5+ Kg6 Qd3+ f5 Qg3 Qxc3 bxc3 Kf6 Nh7+ Kf7 Nxf8
Kxf8 Qxc7 Nc6 Qxb7 a5 Qc7 Re8 Qd6+ Ne7
[14] 1.52 02:42.7 Bxh7+ Kxh7 Ng5+ Kg6 Qd3+ f5 Qg3 Qxc3 bxc3 Kf6 Nh7+ Kf7 Nxf8
Kxf8 Qxc7 Nc6 Qxb7 a5 <tt>
[13] -0.01 01:23.5 Bxh7+ Kxh7 Ng5+ Kg6 Qg4 f5 Qg3 Kf6 Nh7+ Kf7 Re7+ Kxe7 Qxg7+
Rf7 Qe5+ Kd8 Qh8+ Ke7 Qe5+ <draw>
[12] -0.01 00:46.6 Bxh7+ Kxh7 Ng5+ Kg6 Qg4 f5 Qg3 Kf6 Nh7+ Kf7 Re7+ Kxe7 Qxg7+
Rf7 Qe5+ Kd8 Qh8+ Ke7 Qe5+ <draw>
[11] -0.01 00:27.7 Bxh7+ Kxh7 Ng5+ Kg6 Qg4 f5 Qg3 Kf6 Nh7+ Kf7 Re7+ Kxe7 Qxg7+
Rf7 Qe5+ Kd8 Qh8+ Ke7 Qe5+ <draw>
[10] -5.08 00:16.5 Bxh7+ Kh8 Ne5 g6 Bxg6 fxg6 Nxg6+ Kg7 Qg4 Kf6 Nxf8 Nc4
[9] -7.28 00:10.8 Bxh7+ Kh8 Ng5 g6 Qf3 f5 Bxg6 Na4 b4 Qb5 Qh5+ Kg7 Re7+ Kf6
[9] -11.24 00:08.3 Bxh7+ {++}
[9] -11.24 00:06.8 Nd2 Qa4 Qc1 Nc6 b3 Qa5 b4 Qa4 Nf3
[8] -11.24 00:04.6 Nd2 d6 Qb1 g6 Qc1 N8d7 b4 Qa4
[8] -11.28 00:03.6 Nd2 {++}
[8] -11.28 00:02.6 Qb1 g6 Qc1 Nc6 b4 Qa4 Bc2 Qb5
[8] -11.32 00:02.3 Qb1 {++}
[8] -11.32 00:02.1 Ng5 g6 Qg4 Nc4 Qh3 h5 Re2 c5
[8] -11.36 00:01.8 Ng5 {++}
[8] -11.36 00:01.3 Qc1 Nc4 Ne5 Qb5 Qc2 g6 Qe2 Re8
[7] -11.24 00:00.4 Qc1 Nc4 Ne5 Nxe5 Rxe5 c6 b4 Qc7
[6] -11.28 00:00.3 Qc1 Nc4 Qc2 g6 Qe2 c5
SlowChess Blitz WV (46 MB hash)
FEN: rnb1r1k1/pp3ppp/1qn5/b1ppP1B1/3P3N/2PB4/PPN3PP/2Q1RR1K w - -
[14] 11.96 12:00.3 Bf6 Nd8 Bxg7 Kxg7 Rf6 Kf8 Qh6+ Ke7 Rxb6 Be6 Rd6 Rf8 Qxh7 Ke8
Bb5+ Nbc6 dxc5
[13] 8.68 03:04.4 Bf6 Ne7 Bxh7+ Kxh7 Qg5 Ng6 Qh5+ Kg8 Nxg6 fxg6 Qxg6 Re7 e6
Bxe6 Bxe7 Nd7 Qxe6+ Qxe6 Rxe6 b6
[12] 8.28 01:44.4 Bf6 Nd8 Bxg7 f5 f6 Re4 Bxe4 dxe4 b4 cxb4 cxb4 Bxb4 Nxb4 Qxb4
Qxc8 Qxd4
[11] 5.00 00:32.0 Bf6 Ne7 Bxh7+ Kxh7 Qg5 Ng6 Qh5+ Kg8 Nxg6 fxg6 Qxg6 Re7 e6
Qxb2 Bxe7 Kh8 Bxc5 Bxc3
[10] 3.52 00:11.3 Bf6 Ne7 Bxg7 Kxg7 Rf6 Ng6 Rxb6 Bxb6 Nf5+ Bxf5 Bxf5 Nc6
[9] 3.52 00:07.4 Bf6 Ne7 Bxg7 Kxg7 Rf6 Ng6 Rxb6 Bxb6 Qg5
[8] 2.52 00:03.0 Bf6 Nxd4 cxd4 h6 Re3 gxf6 Rg3+ Kf8 Qxh6+ Ke7 dxc5
[7] 2.48 00:02.6 Bf6 Nxd4 cxd4 h6 dxc5 Qxc5 b4 Bxb4 Nxb4 Qxb4
[7] 1.12 00:02.3 Bf6 {++}
[7] 1.12 00:02.1 Bh6 Qd8 Qf4 Qe7 Qg3 g6 Nf3 cxd4 Ncxd4 Nxd4 Nxd4
[7] 1.00 00:01.9 Bh6 {++}
[7] 1.00 00:01.1 dxc5 Qxc5 b4 Qxc3 Re3 Bxb4 Bxh7+ Kxh7 Rxc3 Bxc3 Rxf7 Bxe5
[6] 0.72 00:00.3 dxc5 Qxc5 Qf4 Qf8 Nd4 Bb6
[5] 0.84 00:00.1 dxc5 Qxc5 Qf4 Be6 Nd4
[5] 0.28 00:00.1 dxc5 {++}
[5] 0.28 00:00.1 Qf4 Be6 Qc1 Bc8 <draw>
[5] -0.08 00:00.1 Qf4 {++}
[5] -0.08 00:00.1 Qd1 Qxb2 Bxh7+ Kh8 Qh5 g6
[4] 0.84 00:00.0 Qd1 Qc7 Qh5 h6
[4] 0.76 00:00.0 Qd1 {++}
[4] 0.76 00:00.0 Qf4 Be6 Rb1 Nd7
[3] 0.92 00:00.0 Qf4 Qc7 Re3 cxd4 cxd4
[2] 0.80 00:00.0 Qf4 Qc7
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