opelly/Stockfish
1
0
Fork 0
mirror of https://github.com/opelly27/Stockfish.git synced 2026-05-20 12:07:43 +00:00
Code Issues Packages Projects Releases Wiki Activity

Prefer 0 to EmptyBoardBB

Browse Source 
Easier and even faster or at least easier to optimize.

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2011-12-03 11:56:11 +01:00
parent 5c5af4fa65
commit a44c5cf4f7
9 changed files with 41 additions and 43 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/bitbase.cpp
+1 -1
View File
@@ -151,7 +151,7 @@ namespace {
//
// Case 1: Stalemate
if ( sideToMove == BLACK
&& (bk_attacks() & ~(wk_attacks() | pawn_attacks())) == EmptyBoardBB)
&& !(bk_attacks() & ~(wk_attacks() | pawn_attacks())))
return RESULT_DRAW;
// Case 2: King can capture pawn