Author: Sune Larsson
Date: 17:21:26 12/25/01
[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)
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