diff --git a/src/search.cpp b/src/search.cpp index 295ef63e..d08f698f 100644 --- a/src/search.cpp +++ b/src/search.cpp @@ -1333,7 +1333,7 @@ namespace { && !move_is_killer(move, ss[ply])) { // LMR dynamic reduction - Depth R = (moveCount >= 3 * LMRNonPVMoves && depth >= 7*OnePly ? 2*OnePly : OnePly); + Depth R = (moveCount >= 2 * LMRNonPVMoves && depth > 7*OnePly ? 2*OnePly : OnePly); ss[ply].reduction = R; value = -search(pos, ss, -(beta-1), newDepth-R, ply+1, true, threadID);