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Shortcut futility pruning in qsearch
authorMarco Costalba <mcostalba@gmail.com>
Thu, 3 Jun 2010 10:10:12 +0000 (12:10 +0200)
committerMarco Costalba <mcostalba@gmail.com>
Thu, 3 Jun 2010 11:10:57 +0000 (12:10 +0100)
commit5f3c660d5d768ea5132439c5a8916673b909c0c9
tree7564bd566b8d1ad94e5c75f589eda4a5ed8e7cd2tree | snapshot
parentab127028ed51ccf2fe22285f8032d2455e6d98d2commit | diff
Shortcut futility pruning in qsearch

If we have pruned one capture due to its final value
we can prune also following ones because captures are
MVV ordered.

Also avoid a compare when not in PV because in that
case is always false.

No functional change.
src/search.cpp diff | blob | history
Strong configurable chess-variant engine