Author: Steven J. Brann
Date: 16:13:09 10/18/02
Go up one level in this thread
On October 17, 2002 at 15:06:44, John Merlino wrote: >On October 17, 2002 at 01:09:45, Jouni Uski wrote: > >>And other programs as well. >> >>[D]rnbQKbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBqkBNR w - - >> >>Alybadix 2002 solves this in unbelievable 21,3 sec (Athlon 1466 Mhz). Look at >>http://www.saunalahti.fi/~iblom/alybadix/ex2002.htm >> >>Jouni >> >>PS. Solution of course Nc3! > >Chessmaster 9000, on a P4-2.66, announces Mate in 12 in 37 seconds: > >Time Depth Score Positions Moves >0:00 1/3 0.76 2898 1.Nc3 Nf6+ 2.Kxf7 Qxc2 3.Nf3+ Kxf2 > 4.d3 Nc6 5.Qxc7 >0:00 1/3 3.83 7867 1.Nf3+ Kxf2 2.Ne5 Qxf1 3.Rxf1+ > Kxf1 4.Qxc8 Nc6 >0:00 1/4 4.68 38924 1.Nf3+ Kxf2 2.Qxc7 d6 3.Qc4 Bd7+ > 4.Kxf8 Nf6+ 5.Kxf7 Be8+ 6.Kxe7 >0:00 1/5 4.86 80634 1.Nf3+ Kxf2 2.Qxc7 d6 3.Qc4 Bd7+ > 4.Kxf8 Nf6+ 5.Kxf7 Be8+ 6.Kxe7 > Nc6+ 7.Ke6 Bd7+ 8.Kxd6 >0:00 1/6 4.45 184174 1.Nf3+ Kxf2 2.Qxc7 d6 3.Qc4 Bd7+ > 4.Kxf8 Nh6+ 5.Kxg7 Nf5+ 6.Kxh8 > Be6 7.Qc3 Nd7+ 8.Kxh7 Nf6+ 9.Qxf6 > exf6 >0:04 1/7 3.36 1103502 1.Nf3+ Kxf2 2.Qxc7 d6 3.Qxc8 Na6 > 4.Qxa8 Nc7+ 5.Kxf8 Nh6+ 6.Kxg7 > Rxa8 7.Na3 >0:06 1/7 3.41 1607606 1.Qxc7 d6 2.Qxc8 Na6 3.Qxa8 Nc7+ > 4.Kxf8 Nf6+ 5.Kxf7 Rxa8 6.Nf3+ > Kxf2 7.Na3 >0:11 1/7 6.13 2650166 1.Nc3 Nf6+ 2.Kxf7 Qxc2 3.d3 Kxf1 > 4.Nh3+ Kxg2 5.Bg5 Kxh3 6.Qxc7 Qxd3 > 7.exd3 e5 8.Bxf6 >0:17 1/8 6.18 4636449 1.Nc3 Nf6+ 2.Kxf7 Kxf1 3.Nf3+ Kxg2 > 4.Rxd1 Nc6 5.Qxc7 e5 6.d4 Bb4 7.Nh4+ > Kh3 8.dxe5 >0:37 1/9 Mate12 10132787 1.Nc3 Nf6+ 2.Kxf7 Kxf1 3.Nf3+ Kxg2 > 4.Rxd1 Nc6 5.Rg1+ Kxf2 6.Nd1+ Kxe2 > 7.Nd4+ Nxd4 8.Qxc7 d6 9.Qc4+ Kf3 > 10.Qd3+ Kf4 11.Qe3+ Kf5 12.Rg5# >0:43 1/10 Mate12 12287252 1.Nc3 Nf6+ 2.Kxf7 Kxf1 3.Nf3+ Kxg2 > 4.Rxd1 Nc6 5.Rg1+ Kxf2 6.Nd1+ Kxe2 > 7.Nd4+ Nxd4 8.Qxc7 d6 9.Qc4+ Kf3 > 10.Qd3+ Kf4 11.Qe3+ Kf5 12.Rg5# > >jm John, CM9000, Default Mentor settings but with 128Meg hash comes up with a different starting move with fewer positions searched. 1.9G P4 Time Depth Score Positions Moves 0:00 1/3 0.76 2898 1.Nb1-c3 Ng8-f6+ 2.Ke8xf7 Qd1xc2 3.Ng1-f3+ Ke1xf2 4.d2-d3 Nb8-c6 5.Qd8xc7 0:00 1/3 3.83 7867 1.Ng1-f3+ Ke1xf2 2.Nf3-e5 Qd1xf1 3.Rh1xf1+ Kf2xf1 4.Qd8xc8 Nb8-c6 0:00 1/4 4.68 38924 1.Ng1-f3+ Ke1xf2 2.Qd8xc7 d7-d6 3.Qc7-c4 Bc8-d7+ 4.Ke8xf8 Ng8-f6+ 5.Kf8xf7 Bd7-e8+ 6.Kf7xe7 0:00 1/5 4.86 80634 1.Ng1-f3+ Ke1xf2 2.Qd8xc7 d7-d6 3.Qc7-c4 Bc8-d7+ 4.Ke8xf8 Ng8-f6+ 5.Kf8xf7 Bd7-e8+ 6.Kf7xe7 Nb8-c6+ 7.Ke7-e6 Be8-d7+ 8.Ke6xd6 0:01 1/6 4.45 184174 1.Ng1-f3+ Ke1xf2 2.Qd8xc7 d7-d6 3.Qc7-c4 Bc8-d7+ 4.Ke8xf8 Ng8-h6+ 5.Kf8xg7 Nh6-f5+ 6.Kg7xh8 Bd7-e6 7.Qc4-c3 Nb8-d7+ 8.Kh8xh7 Nd7-f6+ 9.Qc3xf6 e7xf6 0:06 1/7 3.36 1103451 1.Ng1-f3+ Ke1xf2 2.Qd8xc7 d7-d6 3.Qc7xc8 Nb8-a6 4.Qc8xa8 Na6-c7+ 5.Ke8xf8 Ng8-h6+ 6.Kf8xg7 Rh8xa8 7.Nb1-a3 0:09 1/7 3.41 1607537 1.Qd8xc7 d7-d6 2.Qc7xc8 Nb8-a6 3.Qc8xa8 Na6-c7+ 4.Ke8xf8 Ng8-f6+ 5.Kf8xf7 Rh8xa8 6.Ng1-f3+ Ke1xf2 7.Nb1-a3 0:16 1/7 6.13 2665772 1.Nb1-c3 Ng8-f6+ 2.Ke8xf7 Qd1xc2 3.d2-d3 Ke1xf1 4.Ng1-h3+ Kf1xg2 5.Bc1-g5 Kg2xh3 6.Qd8xc7 Qc2xd3 7.e2xd3 e7-e5 8.Bg5xf6 0:26 1/8 6.18 4667565 1.Nb1-c3 Ng8-f6+ 2.Ke8xf7 Ke1xf1 3.Ng1-f3+ Kf1xg2 4.Rh1xd1 Nb8-c6 5.Qd8xc7 e7-e5 6.d2-d4 Bf8-b4 7.Nf3-h4+ Kg2-h3 8.d4xe5 0:45 1/9 Mate12 8682579 1.Nb1-c3 Ng8-f6+ 2.Ke8xf7 Ke1xf1 3.Ng1-f3+ Kf1xg2 4.Rh1xd1 Nb8-c6 5.Rd1-g1+ Kg2xf2 6.Nc3-d1+ Kf2xe2 7.Nf3-d4+ Nc6xd4 8.Qd8xc7 d7-d6 9.Qc7-c4+ Ke2-f3 10.Qc4-d3+ Kf3-f4 11.Qd3-e3+ Kf4-f5 12.Rg1-g5# 0:54 1/10 Mate12 10841991 1.Nb1-c3 Ng8-f6+ 2.Ke8xf7 Ke1xf1 3.Ng1-f3+ Kf1xg2 4.Rh1xd1 Nb8-c6 5.Rd1-g1+ Kg2xf2 6.Nc3-d1+ Kf2xe2 7.Nf3-d4+ Nc6xd4 8.Qd8xc7 d7-d6 9.Qc7-c4+ Ke2-f3 10.Qc4-d3+ Kf3-f4 11.Qd3-e3+ Kf4-f5 12.Rg1-g5# Steve
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