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Subject: Double Nullmove

Author: Andreas Herrmann

Date: 23:54:03 04/24/02

Hi,

I want to implement double nullmove in my chess engine again. Now i'm searching
for Zugzwang postions, which should be solved by double nullmove instead of
normal nullmove.
Another question: How much time costs the double null move in the average.
I have tested it in some positions, and my engine needs about 30 to 40 percent
more time for the same search depth. Is that normal or is that to much.

have a nice day
Andreas

http://wbholmes.de

• Re: Double Nullmove J. Wesley Cleveland 09:39:36 04/25/02
  • Re: Double Nullmove Robert Hyatt 10:26:43 04/25/02
    • Re: Double Nullmove Dann Corbit 10:49:42 04/25/02
      • Re: Double Nullmove Robert Hyatt 12:27:26 04/25/02
        • Re: Double Nullmove José Carlos 14:13:41 04/25/02
          • Re: Double Nullmove Ricardo Gibert 16:50:21 04/25/02
            • Re: Double Nullmove Odd Gunnar Malin 00:46:54 04/26/02
            • Re: Double Nullmove José Carlos 23:36:28 04/25/02
        • Re: Double Nullmove Odd Gunnar Malin 14:12:12 04/25/02
          • Re: Double Nullmove Dann Corbit 14:35:54 04/25/02
      • Re: Double Nullmove Andreas Herrmann 11:47:24 04/25/02
  • Re: Double Nullmove Andreas Herrmann 10:15:30 04/25/02
    • Re: Double Nullmove Bas Hamstra 01:03:56 04/26/02
    • Re: Double Nullmove Robert Hyatt 10:27:39 04/25/02
• Re: Double Nullmove Russell Reagan 08:58:53 04/25/02
  • Re: Double Nullmove Andreas Herrmann 10:26:19 04/25/02
    • Re: Double Nullmove J. Wesley Cleveland 14:14:26 04/25/02
      • Re: Double Nullmove Andreas Herrmann 14:55:23 04/25/02
    • Re: Double Nullmove Rudolf Huber 11:08:57 04/25/02
      • Re: Double Nullmove Andreas Herrmann 11:27:52 04/25/02
        • Re: Double Nullmove Rudolf Huber 12:09:16 04/25/02
• Re: Double Nullmove Uri Blass 00:15:14 04/25/02
  • Re: Double Nullmove Dann Corbit 11:08:51 04/25/02
    • Re: Double Nullmove Uri Blass 11:43:08 04/25/02

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