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Subject: Re: Switching engines during a game, Rybka 1.0 to Shredder 9

Author: Uri Blass

Date: 21:13:55 12/16/05

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On December 16, 2005 at 23:40:17, K. Burcham wrote:

>
>This was during a 5/5 game. So my time was short.
>I switched engines during this game. It seemed to me that Rybka (white) could
>not find a higher eval with a better move. Running out of time so I switched
>engines. Shredder 9 eval shows an increase and then white wins.

Rybka also can find it.
maybe not in 5+5 time control but with 64 bits and faster hardware it is only 10
seconds for rybka

Rybka 1.0 Beta 32-bit, 5/5 2005
[D]5rk1/1R3bp1/8/Q5Pp/7P/5P2/7K/3r4 w - - 0 1

Analysis by Rybka 1.0 Beta 32-bit:

60.Qc3
  +-  (3.46)   Depth: 3   00:00:00
60.Qc3
  +-  (3.49)   Depth: 4   00:00:00
60.Qc7
  +-  (3.51)   Depth: 4   00:00:00
60.Qc7 g6
  +-  (3.67)   Depth: 5   00:00:00
60.Qc3 g6
  +-  (3.76)   Depth: 5   00:00:00
60.Qc3 g6 61.Qf6
  +-  (3.75)   Depth: 6   00:00:00  7kN
60.Qc3 g6 61.Qf6 Re1
  +-  (3.57)   Depth: 7   00:00:00  12kN
60.Qc7 g6 61.Qe7 Rc1
  +-  (3.61)   Depth: 7   00:00:00  16kN
60.Qc7 g6 61.Qe7 Rc1 62.Rd7
  +-  (3.68)   Depth: 8   00:00:00  32kN
60.Qc3 g6 61.Qf6 Re1 62.Kg3
  +-  (3.69)   Depth: 8   00:00:00  40kN
60.Qe5 g6 61.Kg2 Rfd8 62.Qe7
  +-  (3.76)   Depth: 8   00:00:00  64kN
60.Qe5 g6 61.Kg2 Rd2+ 62.Kg3 Rd1 63.Qf6
  +-  (3.69)   Depth: 9   00:00:00  90kN
60.Qe5 g6 61.Kg2 Rd2+ 62.Kg3 Rd1 63.Qe7 Rg1+ 64.Kh2
  +-  (3.64)   Depth: 10   00:00:01  167kN
60.Qe5 Rd5 61.Qc3 g6 62.Kg3 Rd1 63.Kg2 Rd5 64.Kf2 Re8
  +-  (3.63)   Depth: 11   00:00:02  356kN
60.Qc3 g6 61.Qf6 Re1 62.Ra7 Rd1 63.Rc7 Re1
  +-  (3.72)   Depth: 11   00:00:03  411kN
60.Qc3 g6 61.Kg3 Rd5 62.Ra7 Rf5 63.Qd4 Rc8 64.Rd7
  +-  (3.62)   Depth: 12   00:00:06  770kN
60.Qb6 g6 61.Kg3 Rfd8 62.Qc7 Rf8 63.Qe7 Rg1+ 64.Kh2 Ra1
  +-  (3.66)   Depth: 12   00:00:13  1731kN
60.Qb6 g6 61.Kg3 Rd5 62.Re7 Rf5 63.Qd4 Re8 64.Ra7 Rc8
  +-  (3.57)   Depth: 13   00:00:17  2228kN
60.Rxf7 Rxf7 61.g6 Rfd7 62.Qxh5 Kf8 63.Qh8+ Ke7 64.Qxg7+ Ke6
  +-  (4.30)   Depth: 13   00:00:22  2821kN
60.Rxf7 Rxf7 61.g6 Rfd7 62.Qxh5 Kf8 63.Qh8+ Ke7 64.Qxg7+ Ke6
  +-  (4.44)   Depth: 14   00:00:25  3267kN
60.Rxf7 Rxf7 61.g6 Rfd7 62.Qxh5 Kf8 63.Qh8+ Ke7 64.Qxg7+ Ke6
  +-  (4.61)   Depth: 15   00:00:33  4468kN
60.Rxf7 Rxf7 61.g6 Rfd7 62.Qxh5 Kf8 63.Qh8+ Ke7 64.Qxg7+ Ke6
  +-  (4.54)   Depth: 16   00:00:43  6030kN
60.Rxf7 Rxf7 61.g6 Rfd7 62.Qxh5 Kf8 63.Qh8+ Ke7 64.Qxg7+ Ke6
  +-  (4.43)   Depth: 17   00:01:00  8878kN

(,  17.12.2005)

Uri

• Re: Switching engines during a game, Rybka 1.0 to Shredder 9 Henry Bixby 21:46:18 12/16/05
  • Re: Switching engines during a game, Rybka 1.0 to Shredder 9 Vincent Lejeune 05:00:51 12/17/05

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