Author: Rob Basham
Date: 11:08:48 02/11/06
Go up one level in this thread
On February 11, 2006 at 13:46:09, Mike Byrne wrote: >On February 11, 2006 at 11:06:55, Rob Basham wrote: > >>[D]8/5p2/1B5p/2N2K2/7k/1N5p/6pr/8 w - - 0 1 >> >>is this a forced mate? I think someone here posted this problem; >>Sorry, I saved the problem, but lost the soluution...:-) >> >>Thanks! >> >>Rob > > >That is forced mate - but it's very long. > > >Rybka 1.01 Beta 13b: > 3 00:00 1.248 0 +0.21 1.Ne4 > 4 00:00 1.536 0 +0.21 1.Ne4 > 5 00:00 2.184 0 +0.21 1.Ne4 g1Q > 6 00:00 4.072 0 +0.21 1.Ne4 g1Q 2.Bxg1 Rg2 > 6 00:00 6.288 134.144 +5.27 1.Bd8+ Kg3 2.Bc7+ Kf2 3.Ne4+ Ke1 > 7 00:00 12.175 157.812 +1.91 1.Bd8+ Kg3 2.Bc7+ Kf3 3.Nd2+ Ke3 4.Bxh2 > 8 00:00 18.790 152.706 +0.95 1.Bd8+ Kg3 2.Bc7+ Kf3 3.Nd2+ Ke2 4.Bxh2 >Kxd2 > 9 00:00 36.092 167.991 +0.97 1.Bd8+ Kg3 2.Bc7+ Kf3 3.Nd4+ Ke3 4.Bxh2 >Kxd4 5.Bg1+ Kc4 > 10 00:00 70.735 177.967 +1.21 1.Bd8+ Kg3 2.Bc7+ Kf3 3.Nd4+ Kf2 4.Ne4+ >Kf1 5.Nd2+ Kf2 6.Bg3+ Ke3 7.Bxh2 > 11 00:01 130.856 190.336 +1.34 1.Bd8+ Kg3 2.Bc7+ Kf3 3.Nd4+ Kf2 4.Ne4+ >Kf1 5.Nd2+ Kf2 6.Bg3+ Ke3 7.Bxh2 Kxd4 > 12 00:01 251.420 211.027 +1.45 1.Bd8+ Kg3 2.Bc7+ Kf3 3.Nd4+ Kf2 4.Ne4+ >Kf1 5.Nd2+ Kf2 6.Bg3+ Ke3 7.Bxh2 Kxd4 > 13 00:02 447.877 212.622 +1.79 1.Bd8+ Kg3 2.Bc7+ Kf3 3.Nd4+ Kf2 4.Ne4+ >Kf1 5.Nd2+ Kf2 6.Bg3+ Ke3 7.Bxh2 Kxd4 > 14 00:04 752.037 219.961 +4.11 1.Bd8+ Kg3 2.Bc7+ Kf3 3.Nd4+ Kf2 4.Ne4+ >Kf1 5.Nd2+ Kf2 6.Bg3+ Ke3 7.Bxh2 Kxd4 > 15 00:06 1.180.685 219.782 +4.11 1.Bd8+ Kg3 2.Bc7+ Kf3 3.Nd4+ Kf2 4.Ne4+ >Kf1 5.Nd2+ Kf2 6.Bg3+ Ke3 7.Bxh2 Kxd4 > 16 00:09 1.938.545 220.147 +4.11 1.Bd8+ Kg3 2.Bc7+ Kf3 3.Nd4+ Kf2 4.Ne4+ >Kf1 5.Nd2+ Kf2 6.Bg3+ Ke3 7.Bxh2 Kxd4 > 17 00:16 3.336.589 220.643 +4.11 1.Bd8+ Kg3 2.Bc7+ Kf3 3.Nd4+ Kf2 4.Ne4+ >Kf1 5.Nd2+ Kf2 6.Bg3+ Ke3 7.Bxh2 Kxd4 > > >The killer move is here: > >[d]8/2B2p2/7p/5K2/3N4/7p/3N1kpr/8 w - - 10 6 > >Bg3+ wins and not Bh2? > > >Rybka 1.01 Beta 13b: > 3 00:00 248 0 +0.21 6.Bxh2 g1Q > 4 00:00 1.032 0 +0.21 6.Bxh2 g1Q > 4 00:00 2.152 0 +1.21 6.Bg3+ Ke3 7.Bxh2 Kxd4 8.Nf3+ Ke3 9.Ng1 Kd3 >10.Nxh3 Ke2 11.Ng1+ Ke3 12.Kf6 Ke4 > 5 00:00 2.640 0 +1.42 6.Bg3+ Ke3 7.Bxh2 Kxd4 8.Nf3+ Ke3 9.Ng1 Kd3 >10.Nxh3 Ke2 11.Ng1+ Ke3 12.Kf6 Ke4 > 6 00:00 5.608 0 +1.79 6.Bg3+ Ke3 7.Bxh2 Kxd4 8.Nf3+ Ke3 9.Ng1 Kd3 >10.Nxh3 Ke2 11.Ng1+ Ke3 12.Kf6 Ke4 > 7 00:00 7.159 155.974 +1.88 6.Bg3+ Ke3 7.Bxh2 Kxd4 8.Nf3+ Ke3 9.Ng1 >Kd3 10.Nxh3 Ke2 11.Ng1+ Ke3 12.Kf6 Ke4 > 8 00:00 11.215 145.369 +4.11 6.Bg3+ Ke3 7.Bxh2 Kxd4 8.Nf3+ Ke3 9.Ng1 >Kd3 10.Nxh3 Ke2 11.Ng1+ Ke3 12.Kf6 Ke4 > 9 00:00 15.694 127.544 +4.11 6.Bg3+ Ke3 7.Bxh2 Kxd4 8.Nf3+ Ke3 9.Ng1 >Kd3 10.Nxh3 Ke2 11.Ng1+ Ke3 12.Kf6 Ke4 > 10 00:00 21.948 130.667 +4.17 6.Bg3+ Ke3 7.Bxh2 Kxd4 8.Nf3+ Ke3 9.Ng1 >Kd3 10.Nxh3 Ke2 11.Ng1+ Ke3 12.Kf6 Ke4 > 11 00:00 30.555 142.869 +4.17 6.Bg3+ Ke3 7.Bxh2 Kxd4 8.Nf3+ Ke3 9.Ng1 >Kd3 10.Nxh3 Ke2 11.Ng1+ Ke3 12.Kf6 Ke4 > 12 00:00 45.730 166.055 +4.17 6.Bg3+ Ke3 7.Bxh2 Kxd4 8.Nf3+ Ke3 9.Ng1 >Kd3 10.Nxh3 Ke2 11.Ng1+ Ke3 12.Kf6 Ke4 > 13 00:00 74.616 203.209 +4.17 6.Bg3+ Ke3 7.Bxh2 Kxd4 8.Nf3+ Ke3 9.Ng1 >Kd3 10.Nxh3 Ke2 11.Ng1+ Ke3 12.Kf6 Ke4 > 14 00:00 133.467 242.753 +4.17 6.Bg3+ Ke3 7.Bxh2 Kxd4 8.Nf3+ Ke3 9.Ng1 >Kd3 10.Nxh3 Ke2 11.Ng1+ Ke3 12.Kf6 Ke4 > 15 00:01 277.242 307.913 +4.17 6.Bg3+ Ke3 7.Bxh2 Kxd4 8.Nf3+ Ke3 9.Ng1 >Kd3 10.Nxh3 Ke2 11.Ng1+ Ke3 12.Kf6 Ke4 > 16 00:02 941.985 365.237 +4.17 6.Bg3+ Ke3 7.Bxh2 Kxd4 8.Nf3+ Ke3 9.Ng1 >Kd3 10.Nxh3 Ke2 11.Ng1+ Ke3 12.Kf6 Ke4 > 17 00:04 1.679.829 358.587 +5.05 6.Bg3+ Ke3 7.Bxh2 Kxd4 8.Nf3+ Ke3 9.Ng1 >Kd3 10.Nxh3 Ke2 11.Ng1+ Ke3 12.Kf6 Ke4 > 18 00:11 4.149.054 360.603 +5.05 6.Bg3+ Ke3 7.Bxh2 Kxd4 8.Nf3+ Ke3 9.Ng1 >Kd3 10.Nxh3 Ke2 11.Ng1+ Ke3 12.Kf6 Ke4 > 19 00:26 9.532.602 371.635 +5.05 6.Bg3+ Ke3 7.Bxh2 Kxd4 8.Nf3+ Ke3 9.Ng1 >Kd3 10.Nxh3 Ke2 11.Ng1+ Ke3 12.Kf6 Ke4
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