diff --git a/src/search.cpp b/src/search.cpp index ed029b4c..5ff23ad0 100644 --- a/src/search.cpp +++ b/src/search.cpp @@ -875,7 +875,7 @@ split_point_start: // At split points actual search starts from here // but fixing this made program slightly weaker. Depth predictedDepth = newDepth - reduction(depth, moveCount); futilityValue = ss->staticEval + ss->evalMargin + futility_margin(predictedDepth, moveCount) - + Gain[pos.piece_moved(move)][to_sq(move)]; + + 2 * Gain[pos.piece_moved(move)][to_sq(move)]; if (futilityValue < beta) {