X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.cpp;h=4650b1579bf0e11dafd78722151ab5d54f0370d5;hp=22cb8577cf79709afeae699261b1a53677b74d09;hb=c065abdcafe0486cb5cfa7de12a4ac6a905a54c5;hpb=8559c439148d0f183a5d67375c12abe92d63975e

diff --git a/src/search.cpp b/src/search.cpp
index 22cb8577..4650b157 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -192,7 +192,7 @@ namespace {
 void Search::init() {
 
   for (int i = 1; i < MAX_MOVES; ++i)
-      Reductions[i] = int((22.0 + std::log(Threads.size())) * std::log(i));
+      Reductions[i] = int((22.0 + 2 * std::log(Threads.size())) * std::log(i));
 }
 
 
@@ -225,7 +225,7 @@ void MainThread::search() {
   Time.init(Limits, us, rootPos.game_ply());
   TT.new_search();
 
-  Eval::verify_NNUE();
+  Eval::NNUE::verify();
 
   if (rootMoves.empty())
   {
@@ -462,10 +462,7 @@ void Thread::search() {
                   ++failedHighCnt;
               }
               else
-              {
-                  ++rootMoves[pvIdx].bestMoveCount;
                   break;
-              }
 
               delta += delta / 4 + 5;
 
@@ -1218,14 +1215,14 @@ moves_loop: // When in check, search starts from here
           }
           else
           {
-            // Increase reduction for captures/promotions if late move and at low depth
-            if (depth < 8 && moveCount > 2)
-                r++;
-
-            // Unless giving check, this capture is likely bad
-            if (   !givesCheck
-                && ss->staticEval + PieceValue[EG][pos.captured_piece()] + 213 * depth <= alpha)
-                r++;
+              // Increase reduction for captures/promotions if late move and at low depth
+              if (depth < 8 && moveCount > 2)
+                  r++;
+
+              // Unless giving check, this capture is likely bad
+              if (   !givesCheck
+                  && ss->staticEval + PieceValue[EG][pos.captured_piece()] + 213 * depth <= alpha)
+                  r++;
           }
 
           Depth d = std::clamp(newDepth - r, 1, newDepth);
@@ -1570,6 +1567,7 @@ moves_loop: // When in check, search starts from here
                                                                 [pos.moved_piece(move)]
                                                                 [to_sq(move)];
 
+      // CounterMove based pruning
       if (  !captureOrPromotion
           && moveCount
           && (*contHist[0])[pos.moved_piece(move)][to_sq(move)] < CounterMovePruneThreshold