diff --git a/src/search.cpp b/src/search.cpp index 945f5bf2..05e3de51 100644 --- a/src/search.cpp +++ b/src/search.cpp @@ -823,12 +823,10 @@ moves_loop: // When in check and at SpNode search starts from here { ss->reduction = reduction(improving, depth, moveCount); - if (!PvNode && cutNode) + if ( (!PvNode && cutNode) + || History[pos.piece_on(to_sq(move))][to_sq(move)] < 0) ss->reduction += ONE_PLY; - else if (History[pos.piece_on(to_sq(move))][to_sq(move)] < 0) - ss->reduction += ONE_PLY / 2; - if (move == countermoves[0] || move == countermoves[1]) ss->reduction = std::max(DEPTH_ZERO, ss->reduction - ONE_PLY);