Author: John Merlino
Date: 19:12:37 01/04/02
Go up one level in this thread
On January 04, 2002 at 17:57:33, Dann Corbit wrote: >On January 04, 2002 at 06:57:53, Uri Blass wrote: > >>How much time do programs need to avoid 74.Nxb5 >>Most programs need few seconds when >>Hiarcs7.32(48 Mbytes hash) needs almost 10 minutes on p800 >> >>Shredder6 could not avoid Nxb5 even in 112 seconds >>based on the pgn of it's games against tiger aggresive. >> >>Shredder 6 - Gambit Tiger 2.0 >>[D]8/5rbk/6q1/1p1Q4/1PpP2p1/2N2p2/5PP1/3R2K1 w - - 0 1 >> >>Analysis by Hiarcs 7.32: >> >>74.Nxb5 fxg2 75.Kxg2 >> +- (1.60) Depth: 1 00:00:00 >>74.Nxb5 fxg2 >> ± (1.23) Depth: 2/10 00:00:00 >>74.Nxb5 fxg2 75.Qxg2 >> ± (0.76) Depth: 2/10 00:00:00 >>74.Nxb5 fxg2 >> ± (1.01) Depth: 3/13 00:00:00 >>74.Nxb5 fxg2 >> ± (1.01) Depth: 3/14 00:00:00 >>74.Nxb5 fxg2 75.Qxc4 Qf5 76.Rd2 >> ± (1.07) Depth: 4/14 00:00:00 >>74.Nxb5 fxg2 >> ± (0.81) Depth: 5/16 00:00:00 8kN >>74.Nxb5 fxg2 >> ± (0.81) Depth: 5/19 00:00:00 15kN >>74.Nxb5 Rf5 >> ² (0.56) Depth: 6/21 00:00:00 74kN >>74.Nxb5 Rf5 75.Qd7 Rh5 76.Nd6 >> = (-0.01) Depth: 6/23 00:00:01 100kN >>74.Nxb5 Rf5 >> ³ (-0.26) Depth: 7/23 00:00:02 222kN >>74.Nxb5 Rf5 75.Qxc4 Qh5 76.Qc2 g3 77.gxf3 Qh2+ >> ³ (-0.38) Depth: 7/25 00:00:02 279kN >>74.Nxb5 Rf5 >> ³ (-0.63) Depth: 8/25 00:00:06 686kN >>74.Nxb5 Rf5 >> ³ (-0.63) Depth: 8/27 00:00:08 837kN >>74.Nxb5 Rf5 >> ³ (-0.38) Depth: 9/27 00:00:39 3940kN >>74.Nxb5 Rf5 75.Qxc4 Qh5 76.Qc2 g3 77.gxf3 >> ³ (-0.38) Depth: 9/29 00:00:43 4378kN >>74.Nxb5 Rf5 >> ³ (-0.63) Depth: 10/29 00:01:20 8215kN >>74.Nxb5 Rf5 75.Qxc4 Qh5 76.Qc7 g3 77.Qxg3 Rg5 78.Nc3 Rxg3 79.fxg3 >> -+ (-1.59) Depth: 10/30 00:02:50 17774kN >>74.Re1 fxg2 75.Ne4 Rf5 76.Qb7 Kg8 77.Kxg2 Bxd4 78.Rd1 Bg7 79.Nd6 Rf3 80.Nxb5 >> µ (-0.88) Depth: 10/30 00:09:45 59913kN >>74.Ne4 Rf5 75.Qd7 Rf4 76.Ng3 Qf7 77.Qxf7 Rxf7 78.Ne4 Rf4 79.Ng5+ Kg8 80.Ne6 Re4 >>81.Nxg7 Kxg7 >> ³ (-0.66) Depth: 10/30 00:15:51 94551kN > >CM8000: > >Time Depth Score Positions Moves >0:00 2/5 0.46 15819 1. Nxb5 fxg2 2. Kxg2 Qf6 3. Qe4+ > Kg8 >0:00 2/6 0.83 43927 1. Nxb5 fxg2 2. Qxc4 Qf5 3. Qd3 > Qxd3 4. Rxd3 Rb7 >0:01 3/7 0.19 172873 1. Nxb5 g3 2. gxf3 Rf5 3. Qxc4 > Rxf3 4. Kg2 Rxf2+ 5. Kg1 >0:04 3/8 -0.55 490922 1. Nxb5 Rf5 2. Qxc4 Qh5 3. Qc2 > g3 4. gxf3 gxf2+ 5. Qxf2 Rxb5 >4:12 5/10 -0.23 31220846 1. Ne4 Re7 2. Ng3 c3 3. Qc5 c2 > 4. Rc1 Rf7 5. Qxc2 Bxd4 6. Qe4 > Qxe4 7. Nxe4 fxg2 8. Kxg2 That's odd -- my (default) version of CM8000 avoids Nxb5 after 25 seconds on my PIII-600. However, it doesn't find anything that it LIKES even after four minutes: Time Depth Score Positions Moves 0:00 1/3 0.67 1124 1.Qxb5 g3 2.fxg3 Qxg3 0:00 1/3 0.70 1369 1.Nxb5 fxg2 2.Qxc4 Qf5 0:00 1/4 0.70 3025 1.Nxb5 fxg2 2.Qxc4 Qf5 0:00 1/4 0.73 3808 1.Qxb5 g3 2.fxg3 f2+ 3.Kf1 0:00 2/5 -0.68 10138 1.Qxb5 g3 2.fxg3 Qxg3 3.Qh5+ Kg8 4.Qh3 f2+ 5.Kf1 0:00 2/5 0.46 15819 1.Nxb5 fxg2 2.Kxg2 Qf6 3.Qe4+ Kg8 0:00 2/6 0.83 43927 1.Nxb5 fxg2 2.Qxc4 Qf5 3.Qd3 Qxd3 4.Rxd3 Rb7 0:03 3/7 0.19 172866 1.Nxb5 g3 2.gxf3 Rf5 3.Qxc4 Rxf3 4.Kg2 Rxf2+ 5.Kg1 0:08 3/8 -0.55 490827 1.Nxb5 Rf5 2.Qxc4 Qh5 3.Qc2 g3 4.gxf3 gxf2+ 5.Qxf2 Rxb5 0:25 3/8 -0.50 1586326 1.Rf1 Qf5 2.Qxf5+ Rxf5 3.gxf3 gxf3 4.Rd1 Kg6 5.Kf1 0:31 3/8 -0.34 2015264 1.Ra1 fxg2 2.Kxg2 Qf6 3.Qe4+ Kg8 4.Qxg4 Qxf2+ 5.Kh1 Qxd4 6.Ra8+ Rf8 7.Qxd4 Bxd4 8.Rxf8+ Kxf8 9.Nxb5 0:43 3/8 0.02 2786929 1.g3 Qf5 2.Qxb5 Qxb5 3.Nxb5 Rb7 4.Na3 Rxb4 5.d5 Bb2 0:50 4/9 -0.39 3273685 1.g3 Rf5 2.Qe4 Rh5 3.Re1 Qxe4 4.Rxe4 Bf8 5.Rxg4 Bxb4 1:09 4/9 -0.36 4605803 1.Ra1 Qf5 2.Qxb5 Qxb5 3.Nxb5 Rb7 4.Na3 Rxb4 5.Rc1 c3 6.Rxc3 Bxd4 1:37 4/9 -0.33 6500295 1.Ne4 Rf5 2.Qb7 fxg2 3.Kxg2 Qe6 4.Re1 Kg8 5.Qc7 Rf8 4:01 5/10 -0.24 15980851 1.Ne4 Bh6 2.Nc3 Rf5 3.Qe4 fxg2 4.Kxg2 Kh8 5.Qe7 Qh5 6.Kg1 jm
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