diff --git a/src/search.cpp b/src/search.cpp index 727990dc..865e4771 100644 --- a/src/search.cpp +++ b/src/search.cpp @@ -1428,7 +1428,7 @@ moves_loop: // When in check and at SpNode search starts from here } // Extra penalty for TT move in previous ply when it gets refuted - if (is_ok((ss-2)->currentMove) && (ss-1)->currentMove == (ss-1)->ttMove) + if (is_ok((ss-2)->currentMove) && (ss-1)->currentMove == (ss-1)->ttMove && !pos.captured_piece_type()) { Square prevPrevSq = to_sq((ss-2)->currentMove); HistoryStats& ttMoveCmh = CounterMovesHistory[pos.piece_on(prevPrevSq)][prevPrevSq];