From: Marco Costalba <mcostalba@gmail.com>
Date: Wed, 13 Feb 2013 11:26:08 +0000 (+0100)
Subject: Speedup KPK bitbase of 25%
X-Git-Url: https://git.sesse.net/?p=stockfish;a=commitdiff_plain;h=10d29add187fbc7ce20535a2beddc76e4a8ad0c2;hp=10d29add187fbc7ce20535a2beddc76e4a8ad0c2;ds=sidebyside

Speedup KPK bitbase of 25%

Change the way the index is coded so that
now looping from 0 to IndexMax generates
the pawns from RANK_7 down to RANK2.

Becuase positions with pawns at RANK_7
are easily classified as wins/draws, this
small trick allows to reduce the number
of needed iterations from 30 down to 26!

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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