Simplify Futility pruning for captures

[stockfish] / src / search.cpp

diff --git a/src/search.cpp b/src/search.cpp
index 270c5e7c398085ddf6300a8a84e61f0477eeb401..32eeedab4ae281d707ef5d4da067f2121c75302a 100644 (file)
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -989,7 +989,7 @@ moves_loop: // When in check, search starts here
                   && lmrDepth < 7
                   && !ss->inCheck
                   && ss->staticEval + 207 + 223 * lmrDepth + PieceValue[EG][pos.piece_on(to_sq(move))]
-                   + captureHistory[movedPiece][to_sq(move)][type_of(pos.piece_on(to_sq(move)))] * 1078 / 7000 < alpha)
+                   + captureHistory[movedPiece][to_sq(move)][type_of(pos.piece_on(to_sq(move)))] / 7 < alpha)
                   continue;
 
               Bitboard occupied;