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Old December 7th 04, 11:09 PM
Quantum Anenome
 
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On Mon, 06 Dec 2004 11:20:21 +0100, Simon Krahnke
wrote:


It's time my lame engine learns how to detect draws that are not
stalemates.

Repetition: That's the same position for the third time, right? So I
keep a history of hashes, and search it each node for 2 hits.


I believe you only need to test for a single repetition to count it as
a draw. Even though the rule states a third identical position, in a
search tree a single repetition produces the same result.