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Subject: Re: Mate in 8 ? {TRACE}

Author: Ross Boyd

Date: 01:12:11 05/11/05

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[D]r5k1/pp3r1p/q1p2p1B/3pP2p/8/5RPb/PP1QPP1P/4R1K1 w - - 0 1

Needs 15 secs to announce mate in 8

Analysis by Trace 1.34.0421 on a P3-600Mhz with 64Mb hash:

1.Kh1 Re8
  ±  (1.17)   depth: 2   00:00:00
1.Kh1
  ±  (1.17)   depth: 2   00:00:00
1.exf6
  ±  (1.18)   depth: 2   00:00:00
1.exf6 Kh8
  +-  (2.45)   depth: 2   00:00:00
1.exf6 Re8 2.Qg5+ Kh8
  +-  (2.50)   depth: 3   00:00:00
1.exf6 Kh8 2.Qg5
  +-  (2.52)   depth: 4   00:00:00
1.exf6 Kh8 2.Qg5 Re8
  +-  (2.52)   depth: 5   00:00:00  13kN
1.Rxf6
  +-  (2.53)   depth: 5   00:00:00  13kN
1.Rxf6 Rxf6 2.exf6 Qxa2 3.Qg5+
  +-  (2.91)   depth: 5   00:00:00  13kN
1.Rxf6
  +-  (3.16)   depth: 6   00:00:00  33kN
1.Rxf6 Rxf6 2.exf6 Bf5 3.Qg5+ Bg6 4.a3
  +-  (3.21)   depth: 6   00:00:00  33kN
1.exf6
  +-  (3.22)   depth: 6   00:00:00  33kN
1.exf6 Kh8 2.Qg5
  +-  (5.21)   depth: 6   00:00:00  33kN
1.exf6
  +-  (5.46)   depth: 7   00:00:00  83kN
1.exf6 Kh8 2.Qg5 Bf5 3.Rxf5 Qxa2 4.Qxh5
  +-  (7.02)   depth: 7   00:00:00  83kN
1.exf6
  +-  (7.27)   depth: 8   00:00:01  140kN
1.exf6 Kh8 2.Qg5 Qa3 3.Rxa3 Bg4 4.Bg7+ Kg8 5.e4
  +-  (13.63)   depth: 8   00:00:03  460kN
1.exf6
  +-  (13.88)   depth: 9   00:00:04  620kN
1.exf6 Kh8 2.Qg5 Qa3 3.Rxa3 Be6 4.Bg7+ Kg8 5.f3 d4 6.Qxh5
  +-  (14.05)   depth: 9   00:00:04  620kN
1.exf6
  +-  (14.30)   depth: 10   00:00:06  1000kN
1.exf6 Bf5
  +-  (16.30)   depth: 10   00:00:08  1180kN
1.exf6
  +-  (16.55)   depth: 11   00:00:12  1920kN
1.exf6 Bf5 2.Rxf5 Kh8 3.Qg5 Rg8 4.Bg7+ Rgxg7 5.fxg7+ Kg8 6.Rxf7 Qa3 7.Qd8+ Kxf7
  +-  (#8)   depth: 11   00:00:15  2660kN
1.exf6 Bf5 2.Rxf5 Kh8 3.Qg5 Rg8 4.Bg7+ Rgxg7 5.fxg7+ Kg8 6.Rxf7 Qa3 7.Qd8+ Kxf7
8.g8Q#
  +-  (#8)   depth: 12   00:00:21  3980kN

Cheers,

Ross



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