diff --git a/src/search.cpp b/src/search.cpp index 9574465388e..cb71acbaa5b 100644 --- a/src/search.cpp +++ b/src/search.cpp @@ -621,13 +621,6 @@ Value Search::Worker::search( update_continuation_histories(ss - 1, pos.piece_on(prevSq), prevSq, -stat_malus(depth + 1)); } - // Penalty for a quiet ttMove that fails low (~1 Elo) - else if (!ttCapture) - { - int penalty = -stat_malus(depth); - thisThread->mainHistory[us][ttMove.from_to()] << penalty; - update_continuation_histories(ss, pos.moved_piece(ttMove), ttMove.to_sq(), penalty); - } } // Partial workaround for the graph history interaction problem