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Subject: Re: Apropos blocked positions.

Author: Mike Byrne

Date: 16:36:18 10/06/02

Go up one level in this thread


On October 06, 2002 at 17:01:43, Dan Andersson wrote:

>How long before your favourite engine finds the winning move?
>[D]5k2/1q4bQ/5p1p/p1p1pPpP/2PpP1P1/Pp1P4/1P5K/5B2 b - - 0 1
>A subvariation from a game I played against a computer recently. I'm black.
>
>MvH Dan Andersson

Deep Fritz sees the winning Qc3 sac in 59 seconds on my machine.


Analysis by Deep Fritz:

1...Qxe4--
  +-  (5.34)   Depth: 1/2   00:00:00
1...Qxe4-- 2.dxe4
  +-  (7.37)   Depth: 1/3   00:00:00
1...a4!
  +-  (2.41)   Depth: 1/3   00:00:00
1...a4!
  =  (-0.19)   Depth: 1/3   00:00:00
1...a4 2.Bg2
  =  (-0.06)   Depth: 2/3   00:00:00
1...a4 2.Bg2 Qf7
  =  (-0.06)   Depth: 3/6   00:00:00
1...a4 2.Bg2 Qf7 3.Kg1
  =  (-0.09)   Depth: 4/7   00:00:01
1...a4 2.Bg2 Qe7 3.Kg1 Qd6
  =  (-0.09)   Depth: 5/8   00:00:01
1...a4 2.Bg2 Qe7 3.Kg1 Qd6 4.Qg6
  =  (-0.13)   Depth: 6/8   00:00:01  1kN
1...a4 2.Bg2 Qe7 3.Kg1 Qf7 4.Bf3 Qe7
  =  (-0.06)   Depth: 7/12   00:00:01  2kN
1...a4 2.Bg2 Qe7 3.Kg1 Qf7 4.Bf3 Qe7 5.Qg6
  =  (-0.09)   Depth: 8/11   00:00:02  4kN
1...a4 2.Bg2 Qe7 3.Kg1 Qf7 4.Qg6 Qxg6 5.hxg6 Kg8 6.Kf2
  =  (-0.06)   Depth: 9/12   00:00:02  6kN
1...a4 2.Bg2 Qe7 3.Kg1 Qf7 4.Kh2 Qd7
  =  (-0.06)   Depth: 10/16   00:00:02  12kN
1...a4 2.Bg2 Qe7 3.Kg1 Qf7 4.Kh2 Qd7
  =  (-0.06)   Depth: 11/19   00:00:03  21kN
1...a4!
  ³  (-0.38)   Depth: 12/23   00:00:03  41kN
1...a4 2.Kg1 Qc7 3.Kf2 Qa5 4.Ke2 Qd8 5.Bg2 Qc7 6.Kf2
  ³  (-0.38)   Depth: 13/19   00:00:04  111kN
1...a4 2.Kg1 Qc7 3.Kf2 Qa5 4.Ke2 Qd8 5.Bg2 Qc7 6.Kd1 Qa5 7.Ke2
  =  (-0.25)   Depth: 14/22   00:00:04  174kN
1...Qc7!
  ³  (-0.28)   Depth: 14/22   00:00:04  190kN
1...Qd7!
  ³  (-0.31)   Depth: 14/24   00:00:05  277kN
1...Qd7 2.Qg6 Qa4 3.Be2 Qe8 4.Kg1 Qd8 5.Bf3 a4 6.Kh2
  ³  (-0.28)   Depth: 15/26   00:00:05  475kN
1...Qd7 2.Qg6 Qa4 3.Be2 Qe8 4.Kg1 Qd8 5.Bf1
  ³  (-0.28)   Depth: 16/27   00:00:06  691kN
1...Qd7 2.Qg6 Qa4 3.Be2 Qc6 4.Bf1 a4
  ³  (-0.28)   Depth: 17/32   00:00:08  1101kN
1...Qd7 2.Qg6 Qa4 3.Be2 Qc6 4.Bf1
  ³  (-0.28)   Depth: 18/35   00:00:10  1901kN
1...Qd7 2.Qg6 Qa4 3.Be2 Qc6 4.Bf3 Kg8 5.Kg1 Qa8 6.Kf2 Kh8 7.Kg1
  =  (-0.16)   Depth: 19/35   00:00:13  3401kN
1...Qc7!
  =  (-0.19)   Depth: 19/35   00:00:14  3621kN
1...Qc7 2.Kg1 a4 3.Kf2 Qa5 4.Ke2 Qa8 5.Qg6 Kg8 6.Kd1 Qd8 7.Be2
  =  (-0.03)   Depth: 20/36   00:00:30  11987kN
1...Qd7!
  =  (-0.06)   Depth: 20/39   00:00:31  12781kN
1...Qd7 2.Qg6 Qa4 3.Be2 Qc6 4.Bf3 Kg8 5.Kg1 Qa8 6.Kf2 Qd8 7.Ke2
  =  (-0.03)   Depth: 21/41   00:00:38  16414kN
1...Qd7 2.Qg6 Qa4 3.Be2 Qc6 4.Bf3 Kg8 5.Kg1 Qa8 6.Kf2 Qd8 7.Ke2
  =  (-0.03)   Depth: 22/41   00:00:49  21973kN
1...Qc7!
  =  (-0.06)   Depth: 22/41   00:00:52  23158kN
1...Qc7! 2.Kg2 a4 3.Kf2 Qa5 4.Ke2 Qc3 5.bxc3 b2 6.cxd4 cxd4 7.Qg6
  ³  (-0.59)   Depth: 22/44   00:00:57  26053kN

(Byrne, Secane, PA 06.10.2001)



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