Author: Carlos del Cacho
Date: 10:19:58 02/15/01
Go up one level in this thread
On February 15, 2001 at 12:37:52, José Antônio Fabiano Mendes wrote: > Botvinnik-Tal,1960,game 12 > [D]8/1Q3pkp/4q2r/3p2p1/3Pr3/P5P1/3R1P1P/5RK1 b > And here Tal played 31...Re1 but 31...Reh4 > "should have won".Is that true? JAFM > Source: http://www.mark-weeks.com/chess/60tb$$.htm I let Pepito think on it for 2 minutes. I wonder why the search tree explodes at ply 11, a lot of mate extensions probably. 1 -88 27 1 g4 1 -88 27 36 g4 2 -120 28 182 g4 f3 3 -113 28 556 Rg7-f6 f3 Te4-e3 3 -102 30 2459 Te4-e1 Td2-d1 Te1-e2 3 -102 31 2699 Te4-e1 Td2-d1 Te1-e2 4 -114 33 4819 Te4-e1 Td2-d1 Te1-e2 Td1-c1 5 -84 48 18740 Te4-h4 5 -84 52 22649 Te4-h4 6 -36 74 44704 Te4-h4 h3 7 0 161 118167 Te4-h4 g3xh4 De6-g4 Rg1-h1 Dg4-f3 Rh1-g1 Df3-g4 8 0 234 207260 Te4-h4 g3xh4 De6-g4 Rg1-h1 Dg4-f3 Rh1-g1 Df3-g4 9 0 402 381186 Te4-h4 g3xh4 De6-g4 Rg1-h1 Dg4-f3 Rh1-g1 Df3-g4 10 1 917 842043 Te4-h4 g3xh4 De6-g4 Rg1-h1 Dg4-f3 Rh1-g1 g5xh4 11 306 7678 8544872 Te4-h4 g3xh4 De6-g4 Rg1-h1 Dg4-f3 Rh1-g1 g5xh4 Tf1-b1 Th6-g6 Rg1-f1 h3 Db7xd5 Time spent: 120.01 Depth reached: 11 PV: [306] Te4-h4 g3xh4 De6-g4 Rg1-h1 Dg4-f3 Rh1-g1 g5xh4 Tf1-b1 Th6-g6 Rg1-f1 h3 Db7xd5 Nodes per second: 113823.85431919 Interior nodes: 6112921 Quiescent nodes: 7547080 First_success: 1692656/1863631 (90.826 ). BranchingFactor: 4.900 Null-moves: 2262827/2742348 (82.514 ). Hash hits: 2411442/6112921 (39.448 ). EGTB hits: 0/0 (0.000 ). Pawn Hash hits: 7481352/7547114 (99.129 ). Futility cut-offs: 8220183. IID: 1. Evals: 7547114. Lazy: 4946278. (65.539 ) Extensions: CHK 1605048. MRL 210203. RCP 25695. Voy por el problema 1. Resueltos: 0
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