Author: pavel
Date: 17:31:45 12/25/01
Go up one level in this thread
On December 25, 2001 at 20:21:26, Sune Larsson wrote: > > [D]1k6/1P6/1p6/2n5/2KN3p/1p4rP/6P1/1R6 w - - 0 1 > > The same theme as previous discussed. If white takes on b3 with 1.Nxb3?, > he will be dead lost in the pawn ending. 1.Rb2 threatens 2.Nf5. > Maybe every program has the same problem? > > > PIII 800 192 Mb hash. > > >New position >1k6/1P6/1p6/2n5/2KN3p/1p4rP/6P1/1R6 w - - 0 1 > >Analysis by Chess Tiger 14.0: > >1.Nxb3 Nxb3 2.Rxb3 > = (-0.22) Depth: 9 00:00:00 114kN >1.Nxb3 Nxb3 2.Rxb3 Rxb3 3.Kxb3 Kxb7 4.Kb4 Kc6 5.Kc4 b5+ 6.Kb3 > = (-0.22) Depth: 10 00:00:00 194kN >1.Nxb3 Nxb3 2.Rxb3 Rxb3 3.Kxb3 Kxb7 4.Kb4 Kc6 5.Kc4 b5+ 6.Kb3 Kb6 7.Kc3 > = (-0.20) Depth: 11 00:00:02 597kN, tb=3 >1.Nxb3 Nxb3 2.Rxb3 Rxb3 3.Kxb3 Kxb7 4.Kb4 Kc6 5.Kc4 b5+ 6.Kb3 Kb6 7.Kc3 > = (-0.20) Depth: 12 00:00:04 1028kN, tb=18 >1.Nxb3 Nxb3 2.Rxb3 Rxb3 3.Kxb3 Kxb7 4.Kb4 Kc6 5.Kc4 b5+ 6.Kb4 Kb6 7.Kc3 Ka6 > = (-0.12) Depth: 13 00:00:08 2225kN, tb=62 >1.Nxb3 Nxb3 2.Rxb3 Rxb3 3.Kxb3 Kxb7 4.Kb4 Kc6 5.Kc4 b5+ 6.Kb4 Kb6 7.Kc3 Kc7 >8.Kb3 Kb6 9.Kc3 > = (-0.12) Depth: 14 00:00:15 3971kN, tb=192 >1.Nxb3 Nxb3 2.Rxb3 Rxb3 3.Kxb3 Kxb7 4.Kb4 Kc6 5.Kc4 b5+ 6.Kb4 Kb6 7.Kb3 Kb7 >8.Kc3 Ka6 9.Kb3 > = (-0.12) Depth: 15 00:00:27 7101kN, tb=547 >1.Nxb3 Nxb3 2.Rxb3 Rxb3 3.Kxb3 Kxb7 4.Kb4 Kc6 5.Kc4 b5+ 6.Kb4 Kb6 7.Kb3 Kc5 >8.Kc3 b4+ 9.Kb3 Kb5 > ³ (-0.32) Depth: 16 00:00:48 12643kN, tb=1069 >1.Nxb3 Nxb3 2.Rxb3 > ³ (-0.32) Depth: 17 00:02:04 32691kN, tb=1904 >1.Nxb3 Nxb3 2.Rxb3 Rxb3 3.Kxb3 Kxb7 4.Kb4 Kc6 5.Kc4 b5+ 6.Kb4 Kb6 7.Kb3 Kc5 >8.Kc3 b4+ 9.Kb2 Kc4 > µ (-0.88) Depth: 18 00:03:00 47525kN, tb=3342 >1.Nxb3 Nxb3 2.Rxb3 Rxb3 3.Kxb3 Kxb7 4.Kb4 Kc6 5.Kc4 b5+ 6.Kb4 Kb6 7.Kb3 Ka5 >8.Kc3 Ka4 9.Kc2 b4 10.Kc1 > µ (-0.82) Depth: 19 00:29:57 477509kN, tb=15708 > >(Larsson, KIL 26.12.2001) ---------------------------------------------------------------------------- Analysis by Crafty 18.12: 1.Rb2 Kxb7 µ (-1.06) depth: 1/8 00:00:00 1.Nf5 Rxg2 2.Nxh4 = (0.17) depth: 1/8 00:00:00 1.Nf5 Rxg2 2.Nxh4 = (0.17) depth: 2/8 00:00:00 1.Nf5 Rd3 2.Rb2 Kxb7 3.Nxh4 = (-0.06) depth: 3/8 00:00:00 1.Nf3 Kxb7 2.Nxh4 = (0.01) depth: 3/8 00:00:00 1.Nf3 Rxg2 2.Ne1 Rd2 µ (-0.80) depth: 4/9 00:00:00 1.Nf5 Rxg2 2.Ne3 Rd2 ³ (-0.70) depth: 4/9 00:00:00 1.Nf5 Rxg2 2.Ra1 Kxb7 3.Nxh4 -+ (-1.58) depth: 5/12 00:00:00 1.Rb2 Re3 2.Nxb3 Nxb3 3.Rxb3 Rxb3 4.Kxb3 Kxb7 µ (-0.94) depth: 5/12 00:00:00 1.Nxb3 Nxb3 2.Rxb3 Rxb3 3.Kxb3 Kxb7 4.Kc4 ³ (-0.64) depth: 5/12 00:00:00 1.Nxb3 Nxb3 2.Rxb3 Rxb3 3.Kxb3 Kxb7 4.Kc4 Kc6 µ (-0.84) depth: 6/14 00:00:00 32kN 1.Rb2 Re3 2.Nf5 Re5 3.Nd6 Nxb7 4.Nxb7 Kxb7 5.Rxb3 ³ (-0.52) depth: 6/14 00:00:00 52kN 1.Rb2 Re3 2.Nf5 Re5 3.Nd6 Nxb7 4.Nxb7 Kxb7 5.Rxb3 ³ (-0.52) depth: 7/16 00:00:00 85kN 1.Rb2 Re3 2.Nf5 Re4+ 3.Kd5 Rb4 4.Nd6 Nxb7 5.Nf5 ³ (-0.66) depth: 8/17 00:00:00 173kN 1.Rb2 Re3 2.Nxb3 Nxb3 3.Rxb3 Rxb3 4.Kxb3 Kxb7 5.Kc4 Kc6 6.Kd4 µ (-0.74) depth: 9/21 00:00:00 472kN 1.Rb2 Re3 2.Kd5 Rc3 3.Nf5 Rc2 4.Rb1 Kxb7 5.Nxh4 µ (-0.78) depth: 10/22 00:00:02 1178kN 1.Rb2 Re3 2.Kd5 Kxb7 3.Nf5 Rd3+ 4.Kc4 Kc6 5.Nd4+ Kd6 6.Nf3 Na4 7.Rxb3 µ (-0.84) depth: 11/26 00:00:04 2924kN 1.Rb2 Re3 2.Kd5 Kxb7 3.Nf5 Na4 4.Rb1 Rxh3 5.Nd6+ Ka6 6.gxh3 Nc3+ 7.Kc4 Nxb1 8.Kxb3 µ (-1.04) depth: 12/27 00:00:10 6242kN 1.Rb2 Re3 2.Nf5 Re4+ 3.Kd5 Rb4 4.Nd6 Nxb7 5.Ne4 Kc7 6.g4 hxg3 7.Nxg3 Rb5+ 8.Ke6 Nc5+ 9.Ke5 µ (-0.98) depth: 13/30 00:00:27 15784kN 1.Rb2 Re3 2.Nf5 Re4+ 3.Kd5 Rb4 4.Nd6 Nxb7 5.Ne4 Kc7 6.g4 hxg3 7.Nxg3 b5 8.h4 Kd7 µ (-1.16) depth: 14/31 00:00:53 32110kN (Mahamood, home 25.12.2001) ------------------------------------------------------------------------------- Analysis by Fritz 7.0 : 1.Rb2 Re3 2.Nf5 Re4+ 3.Kd5 Rb4 4.Kc6 Nxb7 5.g3 hxg3 6.Nxg3 ³ (-0.56) depth: 9/21 00:00:00 281kN 1.Nxb3! ³ (-0.53) depth: 9/24 00:00:00 520kN 1.Nxb3! ³ (-0.37) depth: 9/24 00:00:01 594kN 1.Nxb3 Nxb3 2.Rxb3 Rg6 3.Rb2 Kxb7 4.Kb4 Kc7 5.Rc2+ Rc6 6.Re2 = (-0.21) depth: 9/24 00:00:01 761kN 1.Nxb3-- ³ (-0.50) depth: 10/19 00:00:01 777kN 1.Nxb3 Nxb3 2.Rxb3 Rxb3 3.Kxb3 Kxb7 4.Kc3 Kc6 5.Kc4 Kd7 6.Kb5 Kc7 µ (-0.71) depth: 10/20 00:00:01 846kN 1.Rb2 ³ (-0.68) depth: 10/22 00:00:01 898kN 1.Rb2 Re3 2.Nf5 Re4+ 3.Kd5 Rb4 4.Kc6 Nxb7 5.g3 hxg3 6.Nxg3 Nc5 ³ (-0.59) depth: 10/22 00:00:01 992kN 1.Rb2 Re3 2.Nf5 Re1 3.Kd5 Rd1+ 4.Kc6 Rc1 5.Kd5 Rc2 6.Rb1 ³ (-0.59) depth: 11/24 00:00:03 1818kN 1.Rb2 Re3 2.Nf5 Re1 3.g3 hxg3 4.Nxg3 Rc1+ 5.Kd5 Rc2 6.Rb1 Kxb7 7.Nf5 ³ (-0.59) depth: 12/28 00:00:06 3897kN 1.Nxb3 ³ (-0.56) depth: 12/28 00:00:08 4799kN 1.Nxb3-- µ (-0.84) depth: 13/21 00:00:09 5459kN 1.Nxb3 Nxb3 2.Rxb3 Rxb3 3.Kxb3 Kxb7 4.Kc4 Kc6 5.Kb4 b5 6.Kb3 Kc5 7.Kc3 b4+ 8.Kb3 µ (-1.34) depth: 13/23 00:00:09 5909kN 1.Rb2 µ (-1.31) depth: 13/24 00:00:10 6134kN 1.Rb2 µ (-1.15) depth: 13/24 00:00:10 6244kN 1.Rb2 µ (-0.84) depth: 13/25 00:00:10 6365kN 1.Rb2 Re3 2.Nf5 Re4+ 3.Kd5 Rb4 4.Nd6 Nxb7 5.Ne4 Nc5 6.Nxc5 bxc5 7.Kxc5 Rb7 8.Kc4 µ (-0.81) depth: 13/26 00:00:13 8202kN 1.Rb2 Re3 2.Nf5 Re4+ 3.Kd5 Rb4 4.Nd6 Kc7 5.Rf2 b2 6.Rf7+ Nd7 7.Rxd7+ Kxd7 8.b8Q µ (-0.90) depth: 14/30 00:00:30 18025kN 1.Nf5 µ (-0.87) depth: 14/31 00:00:35 21587kN 1.Nf5 Rxg2 2.Nxh4 Rf2 3.Ng6 Kxb7 4.h4 Rg2 5.Ne5 Rh2 6.Nf3 Rf2 7.Nd4 Rf4 8.Kc3 µ (-0.84) depth: 15/33 00:01:19 47277kN 1.Rb2 µ (-0.81) depth: 15/33 00:01:27 51984kN 1.Rb2 ³ (-0.65) depth: 15/33 00:01:43 61816kN (Mahamood, home 25.12.2001) -------------------------------------------------------------------------------
This page took 0.01 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.