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Use alpha instead of beta-1

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It is more directly related to a fail-low.

No functional change.
This commit is contained in:
Marco Costalba
2013-06-09 11:52:39 +02:00
parent 902c0566a6
commit 55eb7dd1e9
1 changed files with 1 additions and 1 deletions
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2
src/search.cpp
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@@ -716,7 +716,7 @@ namespace {
&& (ss-1)->reduction && (ss-1)->reduction
&& threatMove != MOVE_NONE && threatMove != MOVE_NONE
&& allows(pos, (ss-1)->currentMove, threatMove)) && allows(pos, (ss-1)->currentMove, threatMove))
return beta - 1; return alpha;
} }
} }