Author: John Wentworth
Date: 18:44:32 07/13/01
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On July 13, 2001 at 21:30:52, James T. Walker wrote: >On July 13, 2001 at 21:26:27, John Wentworth wrote: > >>I started having Fritz6 analyze a game and it's analysis was showing -#29 though >>the depth was only 14/36. How could the program see a mate 29 moves deep but >>only be searching 14 moves deep? I'am sure there is a logical reason for this >>but I don't know what it is. > >It was probably an endgame postions where Fritz was reaching the tablebases and >found a mate. Yes, that would make sense. I had just started the analysis which starts from the end of the game. This was the game: [Event "4th WCCC"] [Site "New York"] [Date "1983.??.??"] [Round "05"] [White "Belle"] [Black "Cray Blitz"] [Result "0-1"] [ECO "B22/10"] 1.e4 c5 2.c3 d5 3.exd5 Qxd5 4.Nf3 e6 5.d4 Nf6 6.Bd3 Nc6 7.O-O Be7 8.Be3 O-O 9.dxc5 Rd8 10.Nd4 Bxc5 11.c4 Qd6 12.Nxc6 bxc6 13.Bxc5 Qxd3 14.Qa4 Ne4 15.Bb6 Rd7 16.Ba5 Bb7 17.Nc3 Nc5 18.Qb4 Qd4 19.Rad1 Nd3 20.Qa4 Qg4 21.c5 Qf5 22.b4 Nb2 23.Rxd7 Nxa4 24.Nxa4 Qc2 25.Rxb7 Qxa4 26.Ra1 e5 27.f3 Qc2 28.Rc7 Qd3 29.Rf1 Qd5 30.a3 g5 31.Re7 f6 32.Rc7 h5 33.h3 Kh8 34.Kh2 a6 35.Re1 Re8 36.Re4 f5 37.Re2 g4 38.hxg4 fxg4 39.fxg4 hxg4 40.Rf2 e4 41.Rff7 Qe5+ 42.g3 e3 43.Rh7+ Kg8 44.b5 cxb5 45.Be1 Qb2+ 46.Kg1 Qa1 47.Kg2 Qf6 48.Kh2 Rd8 49.Rhd7 Rf8 50.Rd6 Qb2+ 51.Kg1 Qb1 52.Kh2 Qc2+ 53.Kg1 Qf5 0-1
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