// Futility pruning: parent node (~5 Elo)
if ( lmrDepth < 6
&& !inCheck
- && ss->staticEval + 255 + 182 * lmrDepth <= alpha
+ && ss->staticEval + 235 + 172 * lmrDepth <= alpha
&& thisThread->mainHistory[us][from_to(move)]
+ (*contHist[0])[movedPiece][to_sq(move)]
+ (*contHist[1])[movedPiece][to_sq(move)]
- + (*contHist[3])[movedPiece][to_sq(move)] < 30000)
+ + (*contHist[3])[movedPiece][to_sq(move)] < 25000)
continue;
// Prune moves with negative SEE (~20 Elo)