diff --git a/src/search.cpp b/src/search.cpp index 3cd3b555..aaf545d2 100644 --- a/src/search.cpp +++ b/src/search.cpp @@ -764,18 +764,7 @@ Value search(Position& pos, Stack* ss, Value alpha, Value beta, Depth depth, boo { value = qsearch(pos, ss, alpha - 1, alpha); if (value < alpha) - { - if (!priorCapture && prevSq != SQ_NONE) - { - int bonus = (depth > 6) + (PvNode || cutNode) + (value < alpha - 658) - + ((ss - 1)->moveCount > 11); - update_continuation_histories(ss - 1, pos.piece_on(prevSq), prevSq, - stat_bonus(depth) * bonus); - thisThread->mainHistory[~us][from_to((ss - 1)->currentMove)] - << stat_bonus(depth) * bonus / 2; - } return value; - } } // Step 8. Futility pruning: child node (~40 Elo)