Simplify usage of LMR for captures

[stockfish] / src / search.cpp

diff --git a/src/search.cpp b/src/search.cpp
index 8f8d42c02873f19b56abe9afe666c4109b2177ee..6e1d2b5321a96e4332fa0cc689fe5921703414ae 100644 (file)
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -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);