Author: Uri Blass
Date: 12:14:33 01/15/01
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On January 15, 2001 at 15:03:01, Pete Galati wrote: >On January 15, 2001 at 12:55:34, Uri Blass wrote: > >>I suggest to analyze the positions from the first match between kasparov and >>deeper blue. >> >>Here is one position that I suggest to analyze(it is from game 5 of this match) >> >>[D]3r2k1/p4bp1/5q1p/8/3Npp2/1PQ5/P2R1PPP/6K1 w - - 0 1 >> >>Deep blue(1) played g3 when I suspect(but not sure) that all top programs of >>today converge to Ne2 when part of them need a long search. >> >>The following programs are the candidates >> >>1)Deep Fritz >>2)Tiger13 >>3)Gambittiger >>4)Junior6 >>5)Nimzo8 >>6)Shredder5 >>7)Gandalf4.32g >>8)Rebel Cnetury3 >>9)Chessmaster8000 >>10)Hiarcs7.01 or 7.32 >>11)The latest Crafty >> >>I will be happy if at least 6 of them will be used. >> >>Minimal Hardware:Everything with at least 450 Mhz and 64 Mbytes of Ram. >> >>Uri > >This particular position might not be tough enough. Dos Comet saw Ne2 at about >3 minutes, changed it's mind in less than 8 minutes (to DB's g3), then in less >than 19 minutes went back to Ne2 and stayed there when I quit at 50 minutes. > >Pete > >Comet-B.28 Mon Jan 15 12:57:06 2001 > >depth score sec nodes pv > 1. +0.01 0 498 c3c5 > 2. -0.19 0 1066 a2a3 g8h7 > 3. -0.05 0 4434 a2a3 a7a5 c3c6 > 4. -0.42 0 20871 h2h3 g8h7 g1h2 f6g5 > 4. -0.25 0 22837 a2a3 a7a5 c3c5 f6a6 > 4. -0.25 0 28170 a2a3 a7a5 c3c5 f6a6 > 5. -0.32 0 47524 a2a3 f6e5 g1h1 g8h7 g2g3 > 5. -0.26 0 86079 d2d1 f6e5 c3b2 e4e3 f2e3 f4e3 > 5. -0.16 0 108087 h2h3 g8h7 c3c7 a7a5 c7b7 > 5. -0.16 0 115904 h2h3 g8h7 c3c7 a7a5 c7b7 > 6? -0.30 0 126678 h2h3 g8h7 b3b4 > 6. -0.34 1 377917 h2h3 d8e8 d4b5 f6c3 b5c3 e4e3 > 6. -0.33 2 441734 d2d1 f4f3 g2g3 f6a6 c3c7 d8d5 > 6. -0.33 2 512801 d2d1 f4f3 g2g3 f6a6 c3c7 d8d5 > 7. -0.32 3 732233 d2d1 f6e5 g1h1 g7g6 d1d2 e4e3 f2e3 > 7. -0.32 5 1237271 d2d1 f6e5 g1h1 g7g6 d1d2 e4e3 f2e3 > 8. -0.44 9 2014475 d2d1 f6e5 g1h1 d8d5 c3c8 g8h7 c8c4 > 8. -0.39 18 4133180 g2g3 g8h7 g3f4 f6f4 c3e3 f4g4 e3g3 > 8. -0.39 19 4315628 g2g3 g8h7 g3f4 f6f4 c3e3 f4g4 e3g3 > 9? -0.53 36 7711136 g2g3 f6g5 d4c6 d8d2 c3d2 f4g3 c6e7 > 9. -0.51 56 12310144 g1h1 g8h7 h1g1 f6e5 g1h1 > 9. -0.51 68 15189388 g1h1 g8h7 h1g1 f6e5 g1h1 >10. -0.62 86 19479349 g1h1 g8h7 h2h3 f6e5 d2d1 g7g6 h1g1 >10. -0.53 102 23331659 g2g3 f6g5 a2a3 g8h7 d4c6 d8d2 c3d2 >10. -0.50 189 43143485 d4e2 d8d2 c3d2 f4f3 e2d4 f3g2 g1g2 >10. -0.50 193 44038893 d4e2 d8d2 c3d2 f4f3 e2d4 f3g2 g1g2 >11? -0.64 212 48498714 d4e2 d8d2 c3d2 f6a1 d2c1 a1a2 e2f4 >11. -0.65 468 107805592 d4e2 d8d2 c3d2 f6a1 e2c1 a1e5 d2d8 >11! -0.64 474 109003974 g2g3 f6g5 >11. -0.64 474 109003974 g2g3 f6g5 >12. -0.75 677 158195979 g2g3 f6g5 h2h4 g5f6 g1h2 d8e8 d2e2 >12. -0.52 1129 266062669 d4e2 d8d2 c3d2 f6a1 e2c1 a1e5 c1e2 >12. -0.52 1229 289062412 d4e2 d8d2 c3d2 f6a1 e2c1 a1e5 c1e2 >13? -0.66 1253 294016856 d4e2 d8d2 c3d2 f6a1 e2c1 a1e5 c1e2 >13. -0.66 3026 723269583 d4e2 d8d2 c3d2 f6a1 e2c1 a1e5 c1e2 > >==> My Move: d4e2 in 50:26 Deep Fritz also showed a similiar behaviour. I think that this position is tough enough because some top programs(including Deep Fritz) do not converge to Ne2 in less than 3 minutes. I know that Hiarcs7.32 does not converge to Ne2 even after an hour and if there is a program that I am afraid that it will not converge to Ne2 in 24 hours then it is Hiarcs because it has also a bad branching factor. Some analysis with Hiarcs suggest that it is probably going to converge to Ne2 but I am not sure if 24 hours are enough for it. Uri
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