X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.cpp;h=6b12e3fec1260435b64341d3a186997f890619bf;hp=542144bf6053589d0a5a6c6887f8ca254222d515;hb=92f01aa2bd2b4e9644323cdbef8621682605660d;hpb=95ad2b51b75be9b0ce3acfc39549bc87b7b181e3

diff --git a/src/search.cpp b/src/search.cpp
index 542144bf..6b12e3fe 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -29,6 +29,7 @@
 #include "misc.h"
 #include "movegen.h"
 #include "movepick.h"
+#include "position.h"
 #include "search.h"
 #include "timeman.h"
 #include "thread.h"
@@ -157,7 +158,6 @@ namespace {
 
   EasyMoveManager EasyMove;
   Value DrawValue[COLOR_NB];
-  CounterMoveHistoryStats CounterMoveHistory;
 
   template <NodeType NT>
   Value search(Position& pos, Stack* ss, Value alpha, Value beta, Depth depth, bool cutNode);
@@ -208,13 +208,13 @@ void Search::init() {
 void Search::clear() {
 
   TT.clear();
-  CounterMoveHistory.clear();
 
   for (Thread* th : Threads)
   {
       th->history.clear();
       th->counterMoves.clear();
       th->fromTo.clear();
+      th->counterMoveHistory.clear();
   }
 
   Threads.main()->previousScore = VALUE_INFINITE;
@@ -506,7 +506,7 @@ void Thread::search() {
 
               if (   rootMoves.size() == 1
                   || Time.elapsed() > Time.optimum() * unstablePvFactor * improvingFactor / 628
-                  || (mainThread->easyMovePlayed = doEasyMove))
+                  || (mainThread->easyMovePlayed = doEasyMove, doEasyMove))
               {
                   // If we are allowed to ponder do not stop the search now but
                   // keep pondering until the GUI sends "ponderhit" or "stop".
@@ -807,7 +807,7 @@ namespace {
             if (pos.legal(move))
             {
                 ss->currentMove = move;
-                ss->counterMoves = &CounterMoveHistory[pos.moved_piece(move)][to_sq(move)];
+                ss->counterMoves = &thisThread->counterMoveHistory[pos.moved_piece(move)][to_sq(move)];
                 pos.do_move(move, st, pos.gives_check(move));
                 value = -search<NonPV>(pos, ss+1, -rbeta, -rbeta+1, rdepth, !cutNode);
                 pos.undo_move(move);
@@ -921,8 +921,8 @@ moves_loop: // When in check search starts from here
 
       // Step 13. Pruning at shallow depth
       if (  !rootNode
-         && !inCheck
-         &&  bestValue > VALUE_MATED_IN_MAX_PLY)
+          && !inCheck
+          &&  bestValue > VALUE_MATED_IN_MAX_PLY)
       {
           if (   !captureOrPromotion
               && !givesCheck
@@ -968,7 +968,7 @@ moves_loop: // When in check search starts from here
       }
 
       ss->currentMove = move;
-      ss->counterMoves = &CounterMoveHistory[moved_piece][to_sq(move)];
+      ss->counterMoves = &thisThread->counterMoveHistory[moved_piece][to_sq(move)];
 
       // Step 14. Make the move
       pos.do_move(move, st, givesCheck);