HCha/Stockfish
1
0
Fork 0
mirror of https://github.com/HChaZZY/Stockfish.git synced 2025-12-20 00:56:39 +08:00
Code Issues Packages Projects Releases Wiki Activity

Fix best move lookup bug

Browse Source 
If the uci option 'Best Book Move' is set to true the lookup still
returns a move at random instead of the move with the highest
weight.

No functional change.
This commit is contained in:
Raminder Singh
2013-09-25 18:47:59 +05:30
committed by Marco Costalba
parent b742a3f29a
commit e654209211
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/book.cpp
View File

@@ -413,7 +413,7 @@ Move PolyglotBook::probe(const Position& pos, const string& fName, bool pickBest
// Choose book move according to its score. If a move has a very // Choose book move according to its score. If a move has a very
// high score it has higher probability to be choosen than a move // high score it has higher probability to be choosen than a move
// with lower score. Note that first entry is always chosen. // with lower score. Note that first entry is always chosen.
if ( (sum && rkiss.rand<unsigned>() % sum < e.count) if ( (!pickBest && sum && rkiss.rand<unsigned>() % sum < e.count)
|| (pickBest && e.count == best)) || (pickBest && e.count == best))
move = Move(e.move); move = Move(e.move);
} }