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Subject: Re: Is the queen sac sound?

Author: Mike Byrne

Date: 20:06:32 12/29/03

Go up one level in this thread


update Re1 looks like a winner here ...

New game
[d]8/6pk/4Q2p/3P1P1q/8/6P1/4rP2/2R3K1 w - - 0 1

Analysis by Crafty 19.08 SE "alekhine":
Dual 1.7Ghz

1.Qa6 Rd2 2.d6 Qxf5 3.f4
  ±  (1.33)   Depth: 5   00:00:00
1.Qg6+ Qxg6 2.fxg6+ Kxg6 3.Rc6+ Kf5 4.d6 Rd2 5.Kg2
  +-  (1.47)   Depth: 5   00:00:00
1.Qg6+
  +-  (1.87)   Depth: 5   00:00:00
1.Qg6+
  +-  (1.87)   Depth: 7   00:00:00  59kN
1.Qg6+
  +-  (1.87)   Depth: 7   00:00:00  59kN
1.Qg6+
  +-  (1.87)   Depth: 7   00:00:00  59kN
1.Qg6+ Qxg6 2.fxg6+ Kxg6 3.Rc6+ Kf5 4.d6 Rd2 5.Kg2
  +-  (1.86)   Depth: 7   00:00:00  112kN
1.Qg6+ Qxg6 2.fxg6+ Kxg6 3.Rd1 Re7 4.d6 Rd7 5.Rd5 Kf6
  +-  (1.82)   Depth: 8   00:00:00  131kN
1.Qg6+ Qxg6 2.fxg6+ Kxg6 3.Rd1 Re7 4.d6 Rd7 5.Rd5 Kf6
  +-  (1.82)   Depth: 8   00:00:01  222kN
1.Qg6+ Qxg6 2.fxg6+ Kxg6 3.Rd1 Re7 4.d6 Rd7 5.Rd5 Kf6 6.Kg2
  +-  (2.02)   Depth: 9   00:00:01  237kN
1.Qg6+ Qxg6 2.fxg6+ Kxg6 3.Rd1 Re7 4.d6 Rd7 5.Rd5 Kf6 6.Kg2
  +-  (2.02)   Depth: 9   00:00:01  365kN
1.Qg6+ Qxg6 2.fxg6+ Kxg6 3.Rd1 Re7 4.d6 Rd7 5.Rd5 Kf6 6.Kg2 Ke6
  +-  (1.92)   Depth: 10   00:00:01  406kN
1.Qg6+ Qxg6 2.fxg6+ Kxg6 3.Rd1 Re7 4.d6 Rd7 5.Rd5 Kf6 6.Kg2 Ke6
  +-  (1.92)   Depth: 10   00:00:01  765kN
1.Qg6+ Qxg6 2.fxg6+ Kxg6 3.Rd1 Re7 4.d6 Rd7 5.g4 Kf6 6.f4 Ke6 7.f5+ Ke5
  +-  (1.96)   Depth: 11   00:00:01  853kN
1.Qg6+ Qxg6 2.fxg6+ Kxg6 3.Rd1 Re7 4.d6 Rd7 5.g4 Kf6 6.f4 Ke6 7.f5+ Ke5
  +-  (1.96)   Depth: 11   00:00:02  1974kN
1.Qg6+ Qxg6 2.fxg6+ Kxg6 3.Rd1 Re7 4.d6 Rd7 5.f4 Kf5 6.Kf2 Ke4 7.Re1+ Kd5 8.Re7
Kxd6 9.Rxd7+ Kxd7
  +-  (1.72)   Depth: 12   00:00:02  2273kN
1.Qg6+ Qxg6 2.fxg6+ Kxg6 3.Rd1 Re7 4.d6 Rd7 5.f4 Kf5 6.Kf2 Ke4 7.Re1+ Kd5 8.Re7
Kxd6 9.Rxd7+ Kxd7
  +-  (1.72)   Depth: 12   00:00:06  7670kN
1.Qg6+ Qxg6 2.fxg6+ Kxg6 3.Rd1 Kf7 4.d6 Ke8 5.Kf1 Ra2 6.d7+ Kd8 7.f4 Ra7 8.Kf2
Rxd7 9.Rxd7+ Kxd7
  +-  (1.72)   Depth: 13   00:00:07  8858kN
1.Qb6 Qxf5 2.Qd4 Re4 3.Qd2 Re5 4.Rd1 Kg6 5.d6 Qd7 6.Qd3+ Kf6 7.Qf3+ Rf5 8.Qe4
  +-  (1.84)   Depth: 13   00:00:39  54006kN
1.Qb6 Qxf5 2.Qd4 Re4 3.Qd2 Re5 4.Rd1 Kg6 5.d6 Qd7 6.Qd3+ Kf6 7.Qf3+ Rf5 8.Qe4
  +-  (1.84)   Depth: 13   00:00:41  56051kN
1.Qb6 Qxf5 2.Qd4 Re4 3.Qd2 Re5 4.Rd1 Kg6 5.d6 Qd7 6.Qd3+ Kf6 7.f4 Re8 8.Kg2
  +-  (1.82)   Depth: 14   00:00:52  72343kN
1.Qb6 Qxf5 2.Qd4 Re4 3.Qd2 Re5 4.Rd1 Kg6 5.d6 Qd7 6.Qd3+ Kf6 7.f4 Re8 8.Kg2
  +-  (1.82)   Depth: 14   00:01:02  86566kN
1.Qb6 Rd2 2.Qb1 Rxd5 3.f6+ Qf5 4.Qxf5+ Rxf5 5.fxg7 Kxg7 6.Rc7+ Kf6 7.Kg2 h5
8.Rc6+ Kf7 9.f3 Rd5 10.f4 Rd2+ 11.Kf3 Rd3+ 12.Kg2
  +-  (1.89)   Depth: 15   00:02:32  213381kN
1.Re1
  +-  (2.22)   Depth: 15   00:03:17  277128kN
1.Re1 Rd2 2.Qe4 Kg8 3.g4 Qf7 4.Qe6 Qxe6 5.fxe6 Kf8 6.e7+ Ke8 7.Re5 g6 8.f4 h5
9.f5
  +-  (3.83)   Depth: 15   00:10:47  865551kN
1.Re1 Rd2 2.Qe4 Kg8 3.g4 Qf7 4.Qe6 Qxe6 5.fxe6 Kf8 6.e7+ Ke8 7.Re5 g6 8.f4 h5
9.f5
  +-  (3.83)   Depth: 15   00:10:49  868537kN
1.Re1 Rxe1+ 2.Qxe1 Qxf5 3.d6 Qc8 4.Qe4+ Kg8 5.Qe7 Qc1+ 6.Kg2 Qc6+ 7.Kh3 Qh1+
8.Kg4 h5+ 9.Kg5 Qd5+ 10.Kg6 Qd3+ 11.Kxh5 Qf5+ 12.Kh4 g6 13.Qd8+ Kf7 14.Qc7+ Ke6
15.d7
  +-  (3.85)   Depth: 16   00:12:21  976153kN
1.Re1 Rxe1+ 2.Qxe1 Qxf5 3.d6 Qc8 4.Qe4+ Kg8 5.Qe7 Qc1+ 6.Kg2 Qc6+ 7.Kh3 Qh1+
8.Kg4 h5+ 9.Kg5 Qd5+ 10.Kg6 Qd3+ 11.Kxh5 Qf5+ 12.Kh4 g6 13.Qd8+ Kf7 14.Qc7+ Ke6
15.d7
  +-  (3.85)   Depth: 16   00:13:33  1058074kN
1.Re1
  +-  (4.25)   Depth: 17   00:15:12  1172774kN

(Byrne, Secane, PA USA 29.12.2003)



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