Merge commit '44cddbd962c738678f407a7414efa5b93f0710d9' into cluster

This is the last commit before there are more conflicts.

src/search.cpp

@@ -576,6 +576,9 @@ Value Search::Worker::search(
     if (depth <= 0)
         return qsearch<PvNode ? PV : NonPV>(pos, ss, alpha, beta);
 
+    // Limit the depth if extensions made it too large
+    depth = std::min(depth, MAX_PLY - 1);
+
     // Check if we have an upcoming move that draws by repetition, or
     // if the opponent had an alternative move earlier to this position.
     if (!rootNode && alpha < VALUE_DRAW && pos.has_game_cycle(ss->ply))