X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fsearch.cpp;h=6e1d2b5321a96e4332fa0cc689fe5921703414ae;hb=2c3f7619f9ef267cbaec5216b71e0e435dc1393b;hp=ac026a79e1ce208a26f4bb9c7fc6477be703bcd2;hpb=e8d64af1230fdac65bb0da246df3e7abe82e0838;p=stockfish

diff --git a/src/search.cpp b/src/search.cpp
index ac026a79..6e1d2b53 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -1025,7 +1025,7 @@ moves_loop: // When in check, search starts from here
           else
           {
               // Continuation history based pruning (~20 Elo)
-              if (   lmrDepth < 4
+              if (   lmrDepth < 5
                   && (*contHist[0])[movedPiece][to_sq(move)] < CounterMovePruneThreshold
                   && (*contHist[1])[movedPiece][to_sq(move)] < CounterMovePruneThreshold)
                   continue;
@@ -1121,11 +1121,8 @@ moves_loop: // When in check, search starts from here
       if (    depth >= 3
           &&  moveCount > 1 + 2 * rootNode
           && (  !captureOrPromotion
-              || moveCountPruning
-              || ss->staticEval + PieceValue[EG][pos.captured_piece()] <= alpha
               || cutNode
-              || (!PvNode && !formerPv && captureHistory[movedPiece][to_sq(move)][type_of(pos.captured_piece())] < 3678)
-              || thisThread->ttHitAverage < 432 * TtHitAverageResolution * TtHitAverageWindow / 1024)
+              || (!PvNode && !formerPv))
           && (!PvNode || ss->ply > 1 || thisThread->id() % 4 != 3))
       {
           Depth r = reduction(improving, depth, moveCount);