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Stockfish/src
Joona Kiiski 42de93ac15 Do not return unproven mate scores from null move search
Causes very small functional change which is not observable with
our usual set of test positions.

However change is observable fx. with following position:
4k3/3r4/5Q2/6K1/8/8/8/8 w - - 0 1
go depth 24

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
2010-03-22 07:27:05 +01:00
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