X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmovepick.cpp;h=b5727f109fbcfd8aec263245a9cf944e3f9310a9;hp=ce603d188ce5ad3d5e7add57ac1b00c4c2d599e8;hb=a43f633c19c43b43ec7a5e460eb91b7abcf59e3a;hpb=64d29a633066e39b62af5ee0bbf32645994744ec

diff --git a/src/movepick.cpp b/src/movepick.cpp
index ce603d18..b5727f10 100644
--- a/src/movepick.cpp
+++ b/src/movepick.cpp
@@ -61,7 +61,7 @@ namespace {
       std::swap(*begin, *std::max_element(begin, end));
       return begin;
   }
-}
+} // namespace
 
 
 /// Constructors of the MovePicker class. As arguments we pass information
@@ -103,15 +103,8 @@ MovePicker::MovePicker(const Position& p, Move ttm, Depth d, const HistoryStats&
       stage = QSEARCH_0;
 
   else if (d > DEPTH_QS_RECAPTURES)
-  {
       stage = QSEARCH_1;
 
-      // Skip TT move if is not a capture or a promotion. This avoids qsearch
-      // tree explosion due to a possible perpetual check or similar rare cases
-      // when TT table is full.
-      if (ttm && !pos.capture_or_promotion(ttm))
-          ttm = MOVE_NONE;
-  }
   else
   {
       stage = RECAPTURE;
@@ -167,11 +160,11 @@ void MovePicker::score<CAPTURES>() {
       it->value =  PieceValue[MG][pos.piece_on(to_sq(m))]
                  - Value(type_of(pos.moved_piece(m)));
 
-      if (type_of(m) == PROMOTION)
-          it->value += PieceValue[MG][promotion_type(m)] - PieceValue[MG][PAWN];
-
-      else if (type_of(m) == ENPASSANT)
+      if (type_of(m) == ENPASSANT)
           it->value += PieceValue[MG][PAWN];
+
+      else if (type_of(m) == PROMOTION)
+          it->value += PieceValue[MG][promotion_type(m)] - PieceValue[MG][PAWN];
   }
 }
 
@@ -283,6 +276,8 @@ void MovePicker::generate_next_stage() {
 
   case EVASION: case QSEARCH_0: case QSEARCH_1: case PROBCUT: case RECAPTURE:
       stage = STOP;
+      /* Fall through */
+
   case STOP:
       end = cur + 1; // Avoid another next_phase() call
       return;
@@ -328,8 +323,8 @@ Move MovePicker::next_move<false>() {
       case KILLERS_S1:
           move = (cur++)->move;
           if (    move != MOVE_NONE
-              &&  pos.pseudo_legal(move)
               &&  move != ttMove
+              &&  pos.pseudo_legal(move)
               && !pos.capture(move))
               return move;
           break;