Fix very theoretical History corner case

[stockfish] / src / bitbase.cpp

diff --git a/src/bitbase.cpp b/src/bitbase.cpp
index 4a0518fd537eeb350199c5c61c917267071768ce..5d20fbc6d896aa51c14188c3998cf46ed8c8585b 100644 (file)
--- a/src/bitbase.cpp
+++ b/src/bitbase.cpp
@@ -24,7 +24,6 @@
 
 #include <cassert>
 
-#include "bitbase.h"
 #include "bitboard.h"
 #include "square.h"
 
@@ -48,9 +47,9 @@ namespace {
     bool is_legal() const;
     bool is_immediate_draw() const;
     bool is_immediate_win() const;
-    Bitboard wk_attacks()   const { return StepAttackBB[WK][whiteKingSquare]; }
-    Bitboard bk_attacks()   const { return StepAttackBB[BK][blackKingSquare]; }
-    Bitboard pawn_attacks() const { return StepAttackBB[WP][pawnSquare]; }
+    Bitboard wk_attacks()   const { return NonSlidingAttacksBB[WK][whiteKingSquare]; }
+    Bitboard bk_attacks()   const { return NonSlidingAttacksBB[BK][blackKingSquare]; }
+    Bitboard pawn_attacks() const { return NonSlidingAttacksBB[WP][pawnSquare]; }
 
     Square whiteKingSquare, blackKingSquare, pawnSquare;
     Color sideToMove;