X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.cpp;fp=src%2Fsearch.cpp;h=b3ca8c9afe531582cd41811f8aeaf190bbb33c74;hp=ba5ea2e54f9e3d7f92553016dfd503b11fa2cf12;hb=7a8bcfc229ca6e4e44c0b284b7609a3aa26fa1ee;hpb=0ff2ea654971445f4e8955840bcb974dc62e5106 diff --git a/src/search.cpp b/src/search.cpp index ba5ea2e5..b3ca8c9a 100644 --- a/src/search.cpp +++ b/src/search.cpp @@ -1207,8 +1207,8 @@ moves_loop: // When in check, search starts here // 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 if ttMove is not present (~1 Elo) + if (!ttMove) r += 2; // Note that if expected reduction is high, we reduce search depth by 1 here