X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.cpp;h=201cd974d58dde631976c9da140c7e8bedddf1b7;hp=8be96e298ec17aa2936bb47c1150d79a02d518c2;hb=e663bc533020183c0c52eaf877a91422c9c80742;hpb=f4c27cda1a6874550fcbf6cf991b0b9abe43ff39

diff --git a/src/search.cpp b/src/search.cpp
index 8be96e29..201cd974 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -827,7 +827,7 @@ namespace {
         && (ss-1)->statScore < 23824
         &&  eval >= beta
         &&  eval >= ss->staticEval
-        &&  ss->staticEval >= beta - 33 * depth - 33 * improving + 112 * ttPv + 311
+        &&  ss->staticEval >= beta - 28 * depth - 28 * improving + 94 * ttPv + 200
         && !excludedMove
         &&  pos.non_pawn_material(us)
         && (ss->ply >= thisThread->nmpMinPly || us != thisThread->nmpColor))
@@ -1028,7 +1028,7 @@ moves_loop: // When in check, search starts from here
                   continue;
 
               // Futility pruning: parent node (~5 Elo)
-              if (   lmrDepth < 6
+              if (   lmrDepth < 8
                   && !ss->inCheck
                   && ss->staticEval + 284 + 188 * lmrDepth <= alpha
                   &&  (*contHist[0])[movedPiece][to_sq(move)]
@@ -1055,7 +1055,7 @@ moves_loop: // When in check, search starts from here
                   && !(PvNode && abs(bestValue) < 2)
                   && PieceValue[MG][type_of(movedPiece)] >= PieceValue[MG][type_of(pos.piece_on(to_sq(move)))]
                   && !ss->inCheck
-                  && ss->staticEval + 267 + 391 * lmrDepth
+                  && ss->staticEval + 178 + 261 * lmrDepth
                      + PieceValue[MG][type_of(pos.piece_on(to_sq(move)))] <= alpha)
                   continue;
 
@@ -1079,8 +1079,7 @@ moves_loop: // When in check, search starts from here
        /* &&  ttValue != VALUE_NONE Already implicit in the next condition */
           &&  abs(ttValue) < VALUE_KNOWN_WIN
           && (tte->bound() & BOUND_LOWER)
-          &&  tte->depth() >= depth - 3
-          &&  pos.legal(move))
+          &&  tte->depth() >= depth - 3)
       {
           Value singularBeta = ttValue - ((formerPv + 4) * depth) / 2;
           Depth singularDepth = (depth - 1 + 3 * formerPv) / 2;
@@ -1134,7 +1133,7 @@ moves_loop: // When in check, search starts from here
       // Castling extension
       if (type_of(move) == CASTLING)
           extension = 1;
-	  
+
       // Late irreversible move extension
       if (   move == ttMove
           && pos.rule50_count() > 80