Author: Ernst Walet
Date: 10:07:53 04/09/03
Go up one level in this thread
On April 08, 2003 at 19:40:55, Jon Dart wrote: >From a game Arasan-Pepito: > >[D] 8/1B1r1b1k/3N2pp/p3Qp2/3P1P2/7P/1P1b1K2/2r5 w - - > >White should play Nxf5, not Nxf7, which loses. > >--Jon > > >Crafty 19.2 analysis: > clearing hash tables > time surplus 0.00 time limit 10:00 (10:00) > depth time score variation (1) > 6-> 0.25 -0.94 48. Nxf7 Rxf7 49. Bd5 Rfc7 50. Bb3 > R7c6 > 7 0.28 -0.86 48. Nxf7 Rxf7 49. Bd5 Rfc7 50. Kg2 > R1c2 51. b3 > 7-> 0.58 -0.86 48. Nxf7 Rxf7 49. Bd5 Rfc7 50. Kg2 > R1c2 51. b3 > 8 0.69 -0.91 48. Nxf7 Rxf7 49. Bd5 Rg7 50. Kg3 Re1 > 51. Qf6 Re2 > 8-> 1.30 -0.91 48. Nxf7 Rxf7 49. Bd5 Rg7 50. Kg3 Re1 > 51. Qf6 Re2 > 9 1.50 -0.95 48. Nxf7 Rxf7 49. Bd5 Rg7 50. b3 Re1 > 51. Qf6 Rge7 52. Kg3 > 9-> 3.75 -0.95 48. Nxf7 Rxf7 49. Bd5 Rg7 50. b3 Re1 > 51. Qf6 Rge7 52. Kg3 > 10 4.16 -1.05 48. Nxf7 Rxf7 49. Bd5 Rg7 50. b3 Re1 > 51. Qf6 Re3 52. Kg2 Rge7 > 10-> 8.56 -1.05 48. Nxf7 Rxf7 49. Bd5 Rg7 50. b3 Re1 > 51. Qf6 Re3 52. Kg2 Rge7 > 11 9.67 -1.21 48. Nxf7 Rxf7 49. Bd5 Rg7 50. b3 Re1 > 51. Qf6 Rge7 52. Kg3 R7e3+ 53. Kh4 > Rd3 > 11-> 22.77 -1.21 48. Nxf7 Rxf7 49. Bd5 Rg7 50. b3 Re1 > 51. Qf6 Rge7 52. Kg3 R7e3+ 53. Kh4 > Rd3 > 12 24.66 -1.17 48. Nxf7 Rxf7 49. Bd5 Rg7 50. b3 Re1 > 51. Qf6 Ree7 52. Kg3 Re3+ 53. Kh2 Re2+ > 54. Kg3 Be1+ <HT> > 12 1:19 -0.92 48. Nxf5 Bc4 49. Be4 Bxf4 50. Qe8 Rf7 > 51. d5 Rf1+ 52. Kg2 Rb7 53. Nd4 Rxb2+ > 54. Nc2 Kg7 55. Bxg6 > 12-> 1:27 -0.92 48. Nxf5 Bc4 49. Be4 Bxf4 50. Qe8 Rf7 > 51. d5 Rf1+ 52. Kg2 Rb7 53. Nd4 Rxb2+ > 54. Nc2 Kg7 55. Bxg6 > 13 2:28 -0.58 48. Nxf5 Bc4 49. Be4 Rf7 50. Ne3 Rxf4+ > 51. Qxf4 Rf1+ 52. Nxf1 Bxf4 53. Ne3 > Bb3 54. Kf3 Bd6 55. h4 > 13-> 2:44 -0.58 48. Nxf5 Bc4 49. Be4 Rf7 50. Ne3 Rxf4+ > 51. Qxf4 Rf1+ 52. Nxf1 Bxf4 53. Ne3 > Bb3 54. Kf3 Bd6 55. h4 > 14 6:12 -0.32 48. Nxf5 Bc4 49. Be4 Rf7 50. Nd6 Rxf4+ > 51. Kg2 Rcf1 52. h4 R1f2+ 53. Kg3 Be1 > 54. Nxc4 Rxe4 55. Qxe4 Re2+ 56. Kf4 > Rxe4+ 57. Kxe4 > 14-> 7:01 -0.32 48. Nxf5 Bc4 49. Be4 Rf7 50. Nd6 Rxf4+ > 51. Kg2 Rcf1 52. h4 R1f2+ 53. Kg3 Be1 > 54. Nxc4 Rxe4 55. Qxe4 Re2+ 56. Kf4 > Rxe4+ 57. Kxe4 > time=10:00 cpu=99% mat=-1 n=441601337 fh=91% nps=735k > ext-> chk=26474119 cap=419573 pp=99759 1rep=2307840 mate=117875 > predicted=0 nodes=441601337 evals=234452399 > endgame tablebase-> probes done=0 successful=0 > SMP-> split=0 stop=0 data=0/32 cpu=9:59 elap=10:00 CM9000 needs 45 seconds on my XP2400@2200 to find Nxf5. Time Depth Score Positions Moves 0:00 1/3 -0.64 4892 1.Nxf5 Bc4 2.Bg2 Bd3 0:00 1/4 -0.70 13796 1.Nxf5 Bc4 2.Bf3 Re1 3.Qf6 0:00 1/5 -1.06 40564 1.Nxf5 Bc4 2.Bf3 Rf1+ 3.Kg2 Re1 4.Be4 Bb4 0:00 1/5 -0.72 44221 1.Nxf7 Rxf7 2.Bd5 Rg7 3.Be6 Bb4 4.Ke3 0:00 1/6 -0.92 77617 1.Nxf7 Rxf7 2.Bd5 Rg7 3.Qb8 Bb4 4.Kf3 Rc2 0:00 1/7 -0.92 243889 1.Nxf7 Rxf7 2.Bd5 Rc2 3.Kf3 Rg7 4.Qb8 Bb4 0:02 1/8 -1.17 744961 1.Nxf7 Rxf7 2.Bd5 Rg7 3.b3 Rc2 4.Kf3 Bb4 5.Qe8 Rd2 0:07 1/9 -1.24 2385509 1.Nxf7 Rxf7 2.Bd5 Rg7 3.b3 Bc3 4.Qe3 Rc2+ 5.Kf3 Rh2 6.Kg3 0:21 1/10 -1.30 7077050 1.Nxf7 Rxf7 2.Bd5 Rg7 3.b3 Be1+ 4.Ke2 Bb4 5.Kf3 Rc3+ 6.Kg2 Re7 7.Qb8 Rc2+ 8.Kf3 0:45 1/10 -0.28 14883954 1.Nxf5 Bc4 2.Be4 Rf7 3.Ne7 Rxf4+ 4.Kg2 Bf7 5.Nd5 Bxd5 6.Bxd5 h5 7.h4 Rg4+ 8.Kh3 Rc2 1:22 1/11 -0.16 26931194 1.Nxf5 Bc4 2.Qe8 Rxb7 3.Ne7 Kg7 4.d5 Be3+ 5.Kf3 Bxd5+ 6.Nxd5 Bc5 7.Qe5+ Kg8 8.Qe6+ Kh7 9.Nf6+ Kg7 10.Ne8+ Kh8 11.Qxg6 Rf1+ 12.Kg4 2:45 1/12 -0.01 54522264 1.Nxf5 Bc4 2.Be4 Rf7 3.Ne7 Rxf4+ 4.Kg2 Bf7 5.Nd5 Bxd5 6.Bxd5 Re1 7.Qc7+ Kh8 8.Qb8+ Kg7 9.Qc7+ Kf6 10.Qd8+ Kf5 11.Bf3 4:51 2/13 0.00 97515237 1.Nxf5 Bc4 2.Be4 Rf7 3.Ne7 Rxf4+ 4.Kg2 Bf7 5.Nd5 Bxd5 6.Bxd5 Re1 7.Qc7+ Kh8 8.Qb8+ Kg7 9.Qg8+ Kf6 10.Qd8+ Kg7 11.Qg8+ 13:32 3/14 0.00 276241326 1.Nxf5 Bc4 2.Be4 Re1 3.Ne7 Re2+ 4.Kg3 Re3+ 5.Kh2 Re2+ 6.Kh1 Re1+ 7.Kg2 Bd3 8.Qf6 Bxe4+ 9.Kf2 Rxe7 10.Qxe7+ Kg8 11.Qe8+ Kg7 12.Qe7+ Kh8 13.Qe8+ Kg7 Ernst.
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