diff --git a/src/search.cpp b/src/search.cpp index ba5ea2e54f9..cf009d6cf2e 100644 --- a/src/search.cpp +++ b/src/search.cpp @@ -1207,8 +1207,8 @@ Value search(Position& pos, Stack* ss, Value alpha, Value beta, Depth depth, boo // Step 18. Full-depth search when LMR is skipped else if (!PvNode || moveCount > 1) { - // Increase reduction for cut nodes without ttMove (~1 Elo) - if (!ttMove && cutNode) + // Increase reduction for not ttMove (~1 Elo) + if (!ttMove) r += 2; // Note that if expected reduction is high, we reduce search depth by 1 here