take 6 (with queen checks)

Bench: 4926153
snicolet · Jul 11, 2018 · 6701302 · 6701302
1 parent 943be01
commit 6701302
Showing 1 changed file with 6 additions and 6 deletions.
diff --git a/src/evaluate.cpp b/src/evaluate.cpp
@@ -437,6 +437,12 @@ namespace {
         safe  = ~pos.pieces(Them);
         safe &= ~attackedBy[Us][ALL_PIECES] | (weak & attackedBy2[Them]);
 
+        // Add some demolition checks
+        safe |=   pos.pieces(Us)
+               & ~attackedBy[Us][PAWN]
+               &  attackedBy2[Them]
+               & ~attackedBy2[Us];
+
         b1 = attacks_bb<ROOK  >(ksq, pos.pieces() ^ pos.pieces(Us, QUEEN));
         b2 = attacks_bb<BISHOP>(ksq, pos.pieces() ^ pos.pieces(Us, QUEEN));
 
@@ -447,12 +453,6 @@ namespace {
         b1 &= attackedBy[Them][ROOK];
         b2 &= attackedBy[Them][BISHOP];
 
-        // Add some demolition checks
-        safe |=   pos.pieces(Us)
-               & ~attackedBy[Us][PAWN]
-               &  attackedBy2[Them]
-               & ~attackedBy2[Us];
-
         // Enemy rooks checks
         if (b1 & safe)
             kingDanger += RookSafeCheck;