Author: John Merlino
Date: 21:31:07 05/08/04
Go up one level in this thread
On May 08, 2004 at 08:54:55, Bryan Hofmann wrote: >[D]8/5k1p/3p2r1/PP3p2/3Rn3/B1r4P/1R5K/8 w - - 1 49 > >In move 49 Tao finds Rxe4 at PLY 9 in only 10 seconds. Most other engines take >much longer and would have lost this game. I would like to see what the >commercial engines do in this position. (game PGN is below round 13) CM_SKR on an AMD 2500+ needs 0:32 Time Depth Score Positions Moves 0:00 1/3 0.56 1693 49.Bb4 Rf3 50.a6 Ke6 0:00 1/4 0.77 7902 49.Bb4 Ng5 50.Rd1 Rxh3+ 51.Kg2 Ke7 52.a6 0:00 1/5 0.15 17168 49.Bb4 Ng5 50.Rd1 Rxh3+ 51.Kg2 Rh4 52.b6 Ne4+ 53.Kf1 0:00 1/6 0.11 43754 49.Bb4 Ng5 50.Rd1 Rxh3+ 51.Kg2 Rh4 52.Be1 Ne4+ 53.Kf1 Rh1+ 54.Ke2 0:00 1/7 0.28 127054 49.Bb4 Ng5 50.Rd1 Rxh3+ 51.Kg2 Rh4 52.Be1 Ne4+ 53.Kf3 Rh3+ 54.Kf4 Ke6 0:01 1/8 0.00 353832 49.Bb4 Ng5 50.Rf2 Nf3+ 51.Rxf3 Rxf3 52.Bxd6 Rf2+ 53.Kh1 Rf1+ 54.Kh2 Rf2+ 0:04 1/9 0.00 870926 49.Bb4 Ng5 50.Rf2 Nf3+ 51.Rxf3 Rxf3 52.Bxd6 Rf2+ 53.Kh1 Rf1+ 54.Kh2 Rf2+ 0:08 1/10 0.00 1877613 49.Bb4 Ng5 50.Rf2 Nf3+ 51.Rxf3 Rxf3 52.Bxd6 Rf2+ 53.Kh1 Rf1+ 54.Kh2 Rf2+ 0:19 1/11 0.00 4340706 49.Bb4 Ng5 50.Rf2 Nf3+ 51.Rxf3 Rxf3 52.Bxd6 Rf2+ 53.Kh1 Rf1+ 54.Kh2 Rf2+ 0:32 1/11 0.49 7385879 49.Rxe4 fxe4 50.Bb4 Rc1 51.b6 Ke6 52.b7 Rg8 53.a6 Ra1 54.Bd2 Rb8 55.Rb6 Kd7 0:53 2/12 0.49 12369305 49.Rxe4 fxe4 50.Bb4 Rc1 51.b6 Ke6 52.b7 Rg8 53.a6 Ra1 54.Bd2 Rb8 55.Rb6 Kd7 >[D]r1q3k1/pp1R1pb1/2n1r2p/3Q2p1/2P5/1P4B1/P4PPP/2KN3R b - - 6 22 > >Here in move 22 Tao finds a5 at PLY 5 in only 2 seconds. Most engines select b5 >in this position but when the a5 move is played against them the see far greater >trouble in the score. (game PGN is below round 2) CM_SKR waffles between b5 and Qe8: Time Depth Score Positions Moves 0:00 1/6 0.62 58234 22...Re7 23.Rxe7 Nxe7 24.Qd3 Qf5 25.Qxf5 Nxf5 26.Ne3 Nd4 0:00 1/6 0.41 84445 22...b6 23.Rc7 Qe8 24.Qd7 Rd8 25.Qxe8+ Rdxe8 26.Rd7 0:01 1/7 0.51 212886 22...b6 23.Ne3 Nb4 24.Qd2 Nxa2+ 25.Kb1 Nc3+ 26.Kc2 Ne4 0:01 1/7 0.40 243032 22...Re7 23.Rxe7 Nxe7 24.Qd3 Nf5 25.Nc3 Qc5 26.Kb1 Re8 0:02 1/8 0.60 360730 22...Re7 23.Rxe7 Nxe7 24.Qd2 Nf5 25.Re1 Qc5 26.Kb1 Nxg3 27.fxg3 0:02 1/8 0.54 505447 22...b6 23.Ne3 Nb4 24.Qb7 Nxa2+ 25.Kb1 Nc3+ 26.Kc2 Qf8 27.Bd6 0:03 1/8 0.14 692010 22...Qe8 23.Ne3 Nb4 24.Qxb7 Rb6 25.Qf3 Nxa2+ 26.Kc2 Qxd7 27.Qxa8+ Kh7 0:06 1/9 0.26 1215028 22...Qe8 23.Ne3 Nb4 24.Qxb7 Nxa2+ 25.Kb1 Nc3+ 26.Kc2 Rd8 27.Rc7 a5 28.Re1 0:16 1/10 0.39 3251616 22...Qe8 23.Ne3 Nb4 24.Qxb7 Nxa2+ 25.Kb1 Rb6 26.Qf3 Qxd7 27.Qxa8+ Kh7 28.Qe4+ Kg8 29.c5 0:35 1/10 0.12 7007672 22...b5 23.Ne3 bxc4 24.bxc4 Qa6 25.Qd2 Rae8 26.Rd1 Qa3+ 27.Kb1 h5 28.Bd6 1:50 1/11 0.00 22342862 22...b5 23.a3 bxc4 24.bxc4 Qa6 25.Qd3 Re2 26.Qxe2 Qxa3+ 27.Kd2 Qa5+ 28.Kc1 Qa1+ 29.Kd2 Qa5+ 2:35 1/11 -0.10 31447650 22...Qe8 23.f3 Re2 24.Re1 Rxe1 25.Bxe1 Ne5 26.Rd6 Bf8 27.Bc3 Bxd6 28.Qxd6 Ng6 29.Qd4 After forcing a5, here is what The King says: Time Depth Score Positions Moves 0:00 1/3 1.04 2665 23.Ne3 Re7 24.Rxe7 Nxe7 0:00 1/4 0.95 6421 23.Ne3 Re7 24.Rd1 Nb4 25.Qf5 0:00 1/5 0.99 22608 23.Ne3 a4 24.Nf5 Ra5 25.Rc7 Qf8 0:00 1/6 0.99 73966 23.Ne3 a4 24.Nf5 Ra5 25.Rc7 Qf8 0:01 1/7 0.86 222567 23.Ne3 a4 24.Nf5 Ra5 25.Qxe6 fxe6 26.Rxg7+ Kh8 27.Nd6 0:05 1/8 1.14 889827 23.Ne3 Qe8 24.Rxb7 a4 25.Nc2 axb3 26.axb3 Ra2 27.Rd1 0:10 1/9 0.95 1909501 23.Ne3 Qe8 24.Rd1 a4 25.Nc2 axb3 26.axb3 Ra2 27.Rxb7 Re2 28.Rd2 0:42 1/10 0.00 7917344 23.Ne3 a4 24.Nf5 axb3 25.Rxf7 bxa2 26.Rxg7+ Kh8 27.Kd2 a1=Q 28.Rxa1 Rxa1 29.Rf7 Qe8 30.Rxb7 1:49 1/10 0.10 20932719 23.a3 Qe8 24.h4 Nd4 25.Kb1 Nxb3 26.Rxb7 Rd8 27.Qb5 Qxb5 28.cxb5 2:01 1/10 0.13 23295312 23.a4 Qe8 24.f3 Re7 25.Rxe7 Qxe7 26.Bd6 Qe2 27.Qd2 Re8 28.Qxe2 Rxe2 2:19 1/11 -0.04 27065515 23.a4 Qe8 24.f3 Re7 25.Rxe7 Qxe7 26.Qd6 Qe2 27.Qd2 Re8 28.Qxe2 Rxe2 2:56 1/11 0.05 34544091 23.Ne3 a4 24.Nf5 Bf8 25.Rc7 Qe8 26.Rd1 axb3 27.Rxb7 Rd8 28.Qf3 bxa2 jm
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