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Subject: Re: Does this position blow up your program?

Author: Robert Pope

Date: 14:17:24 12/23/02

Go up one level in this thread

On December 23, 2002 at 15:16:44, Mike Byrne wrote:

>[d]R6R/3Q4/1Q4Q1/4Q3/2Q4Q/Q4Q2/pp1Q4/kBNN1KB1 w - - 0 1
>
>So far , every Palm program and Chess Tiger have fatal errors with this
>position.  Supossedly, this is the largest number of  possible legal number of
>moves, 218, available from one position in chess.  If you can prove this wrong,
>you'll go down in History.
>
>http://www.rescon.de/Compu/schachzahl2_e.html


Can I get some people to run perft numbers on this position?  Beaches correctly
says 218 legal moves, and finds xxx.  But then it gives these odd perft
statistics:

perft 1: 218
perft 2: 99 ?????  Maybe because for many of the 218 moves, no response is
possible?
perft 3: 19073
perft 4: 85043

• Re: Does this position blow up your program? Heiner Marxen 14:33:26 12/23/02
  • Re: Does this position blow up your program? Uri Blass 15:25:13 12/23/02
    • Re: Does this position blow up your program? Dann Corbit 17:35:47 12/23/02
      • Re: Does this position blow up your program? Richard Bean 04:05:43 12/25/02
        • Re: Does this position blow up your program? Uri Blass 04:21:03 12/25/02
          • Re: Does this position blow up your program? John Lowe 06:00:09 12/25/02
            • Re: Does this position blow up your program? Uri Blass 06:37:10 12/25/02

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