diff --git a/src/search.cpp b/src/search.cpp index 5f87f28fded..fab06b4228a 100644 --- a/src/search.cpp +++ b/src/search.cpp @@ -1163,7 +1163,7 @@ Value Search::Worker::search( // beyond the first move depth. // To prevent problems when the max value is less than the min value, // std::clamp has been replaced by a more robust implementation. - Depth d = std::max(1, std::min(newDepth - r, newDepth + 1)); + Depth d = std::max(1, std::min(newDepth - r, newDepth + (PvNode || cutNode))); value = -search(pos, ss + 1, -(alpha + 1), -alpha, d, true);