X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.cpp;h=3ac52f8c0f9cbd0910b00ab1a05532c198c291b1;hp=b9ff56fbd2d2b3297fdd9e416efa7d03fcfda37b;hb=a2410227cc8df5373d6970bfe63bbd3df5287c8c;hpb=1d977aa79ecaf410f4b2065eb8f11e0a5e689db4

diff --git a/src/search.cpp b/src/search.cpp
index b9ff56fb..3ac52f8c 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -553,7 +553,7 @@ namespace {
         goto moves_loop;
     }
 
-    moveCount = quietCount = 0;
+    moveCount = quietCount =  ss->moveCount = 0;
     bestValue = -VALUE_INFINITE;
     ss->ply = (ss-1)->ply + 1;
 
@@ -749,7 +749,7 @@ namespace {
         assert((ss-1)->currentMove != MOVE_NONE);
         assert((ss-1)->currentMove != MOVE_NULL);
 
-        MovePicker mp(pos, ttMove, History, CounterMovesHistory, pos.captured_piece_type());
+        MovePicker mp(pos, ttMove, History, CounterMovesHistory, PieceValue[MG][pos.captured_piece_type()]);
         CheckInfo ci(pos);
 
         while ((move = mp.next_move<false>()) != MOVE_NONE)
@@ -826,6 +826,8 @@ moves_loop: // When in check and at SpNode search starts from here
       }
       else
           ++moveCount;
+      
+      ss->moveCount = moveCount;
 
       if (RootNode)
       {
@@ -934,6 +936,7 @@ moves_loop: // When in check and at SpNode search starts from here
       if (!RootNode && !SpNode && !pos.legal(move, ci.pinned))
       {
           moveCount--;
+          ss->moveCount = moveCount;
           continue;
       }
 
@@ -959,8 +962,8 @@ moves_loop: // When in check and at SpNode search starts from here
               ss->reduction += ONE_PLY;
 
           if (   History[pos.piece_on(to_sq(move))][to_sq(move)] > VALUE_ZERO
-                  && CounterMovesHistory[pos.piece_on(prevMoveSq)][prevMoveSq]
-                                        [pos.piece_on(to_sq(move))][to_sq(move)] > VALUE_ZERO)
+              && CounterMovesHistory[pos.piece_on(prevMoveSq)][prevMoveSq]
+                                    [pos.piece_on(to_sq(move))][to_sq(move)] > VALUE_ZERO)
               ss->reduction = std::max(DEPTH_ZERO, ss->reduction - ONE_PLY);
 
           // Decrease reduction for moves that escape a capture
@@ -1425,8 +1428,8 @@ moves_loop: // When in check and at SpNode search starts from here
             cmh.update(pos.moved_piece(quiets[i]), to_sq(quiets[i]), -bonus);
     }
 
-    // Extra penalty for TT move in previous ply when it gets refuted
-    if (is_ok((ss-2)->currentMove) && (ss-1)->currentMove == (ss-1)->ttMove && !pos.captured_piece_type())
+    // Extra penalty for PV move in previous ply when it gets refuted
+    if (is_ok((ss-2)->currentMove) && (ss-1)->moveCount==1 && !pos.captured_piece_type())
     {
         Square prevPrevSq = to_sq((ss-2)->currentMove);
         HistoryStats& ttMoveCmh = CounterMovesHistory[pos.piece_on(prevPrevSq)][prevPrevSq];