diff --git a/src/search.cpp b/src/search.cpp index dfe690b4..3d755586 100644 --- a/src/search.cpp +++ b/src/search.cpp @@ -1017,18 +1017,18 @@ moves_loop: // When in check and at SpNode search starts from here // must be mate or stalemate. If we are in a singular extension search then // return a fail low score. if (!moveCount) - return excludedMove ? alpha - : inCheck ? mated_in(ss->ply) : DrawValue[pos.side_to_move()]; + bestValue = excludedMove ? alpha + : inCheck ? mated_in(ss->ply) : DrawValue[pos.side_to_move()]; + + // Quiet best move: update killers, history, countermoves and followupmoves + else if (bestValue >= beta && !pos.capture_or_promotion(bestMove) && !inCheck) + update_stats(pos, ss, bestMove, depth, quietsSearched, quietCount - 1); TT.store(posKey, value_to_tt(bestValue, ss->ply), bestValue >= beta ? BOUND_LOWER : PvNode && bestMove ? BOUND_EXACT : BOUND_UPPER, depth, bestMove, ss->staticEval); - // Quiet best move: update killers, history, countermoves and followupmoves - if (bestValue >= beta && !pos.capture_or_promotion(bestMove) && !inCheck) - update_stats(pos, ss, bestMove, depth, quietsSearched, quietCount - 1); - assert(bestValue > -VALUE_INFINITE && bestValue < VALUE_INFINITE); return bestValue;