Author: Heiner Marxen
Date: 07:56:41 06/06/99
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On June 05, 1999 at 10:53:42, Michel Langeveld wrote:
>ID Number: A006494
>Sequence: 1,20,400,8902,197281,4865617,119060679,3195913043
>Name: Number of chess games that end in exactly n plies
> plus games that terminate (i.e. mate) in less than n plies.
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>See also: Cf. A019319.
>Keywords: nonn,hard
>Offset: 0
>Author(s): Ken Thompson (ken@plan9.bell-labs.com)
>Extension: This is the preferred version of this sequence.
>
>Do you know why ply 5 is different according to Ken Thompson?
Early mates are not included in our numbers (crafty perft).
So Ken's numbers are slightly larger.
>Michel Langeveld ( rudolf@stad.dsl.nl)
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