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Code Issues Releases Wiki Activity

Sync sp_search() with search()

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No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2010-10-12 10:14:40 +02:00
parent 7c7a77698a
commit 00950fec00
1 changed files with 2 additions and 3 deletions
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5
src/search.cpp
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@ -1692,13 +1692,12 @@ namespace {
if (value > sp->bestValue && !ThreadsMgr.thread_should_stop(threadID)) if (value > sp->bestValue && !ThreadsMgr.thread_should_stop(threadID))
{ {
sp->bestValue = value; sp->bestValue = value;
if (value > sp->alpha)
if (sp->bestValue > sp->alpha)
{ {
if (!PvNode || value >= sp->beta) if (!PvNode || value >= sp->beta)
sp->stopRequest = true; sp->stopRequest = true;
if (PvNode && value < sp->beta) // This guarantees that always: sp->alpha < sp->beta if (PvNode && value < sp->beta) // We want always sp->alpha < sp->beta
sp->alpha = value; sp->alpha = value;
sp->parentSstack->bestMove = ss->bestMove = move; sp->parentSstack->bestMove = ss->bestMove = move;