Rescale UCI scores to PawnValueEg

[stockfish] / src / search.cpp

diff --git a/src/search.cpp b/src/search.cpp
index ccf3b56d65b34199f74f7a8f22348035bacf4e52..2ae1c368c4e76b62c17f8e275b27ed32a5f5f1d8 100644 (file)
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -185,7 +185,7 @@ void Search::think() {
   RootColor = RootPos.side_to_move();
   TimeMgr.init(Limits, RootPos.game_ply(), RootColor);
 
-  int cf = Options["Contempt Factor"] * PawnValueMg / 100; // From centipawns
+  int cf = Options["Contempt Factor"] * PawnValueEg / 100; // From centipawns
   DrawValue[ RootColor] = VALUE_DRAW - Value(cf);
   DrawValue[~RootColor] = VALUE_DRAW + Value(cf);
 
@@ -219,7 +219,7 @@ void Search::think() {
           << " time: "        << Limits.time[RootColor]
           << " increment: "   << Limits.inc[RootColor]
           << " moves to go: " << Limits.movestogo
-          << std::endl;
+          << "\n" << std::endl;
   }
 
   // Reset the threads, still sleeping: will wake up at split time
@@ -327,7 +327,7 @@ namespace {
             // Reset aspiration window starting size
             if (depth >= 5)
             {
-                delta = Value(depth > 23 ? 16 : 12);
+                delta = Value(16);
                 alpha = std::max(RootMoves[PVIdx].prevScore - delta,-VALUE_INFINITE);
                 beta  = std::min(RootMoves[PVIdx].prevScore + delta, VALUE_INFINITE);
             }
@@ -534,7 +534,6 @@ namespace {
             : ttValue >= beta ? (tte->bound() &  BOUND_LOWER)
                               : (tte->bound() &  BOUND_UPPER)))
     {
-        TT.refresh(tte);
         ss->currentMove = ttMove; // Can be MOVE_NONE
 
         // If ttMove is quiet, update killers, history, counter move and followup move on TT hit
@@ -1343,7 +1342,7 @@ moves_loop: // When in check and at SpNode search starts from here
 
   string uci_pv(const Position& pos, int depth, Value alpha, Value beta) {
 
-    std::stringstream s;
+    std::stringstream ss;
     Time::point elapsed = Time::now() - SearchTime + 1;
     size_t uciPVSize = std::min((size_t)Options["MultiPV"], RootMoves.size());
     int selDepth = 0;
@@ -1362,23 +1361,23 @@ moves_loop: // When in check and at SpNode search starts from here
         int d   = updated ? depth : depth - 1;
         Value v = updated ? RootMoves[i].score : RootMoves[i].prevScore;
 
-        if (s.rdbuf()->in_avail()) // Not at first line
-            s << "\n";
+        if (ss.rdbuf()->in_avail()) // Not at first line
+            ss << "\n";
 
-        s << "info depth " << d
-          << " seldepth "  << selDepth
-          << " score "     << (i == PVIdx ? score_to_uci(v, alpha, beta) : score_to_uci(v))
-          << " nodes "     << pos.nodes_searched()
-          << " nps "       << pos.nodes_searched() * 1000 / elapsed
-          << " time "      << elapsed
-          << " multipv "   << i + 1
-          << " pv";
+        ss << "info depth " << d
+           << " seldepth "  << selDepth
+           << " score "     << (i == PVIdx ? score_to_uci(v, alpha, beta) : score_to_uci(v))
+           << " nodes "     << pos.nodes_searched()
+           << " nps "       << pos.nodes_searched() * 1000 / elapsed
+           << " time "      << elapsed
+           << " multipv "   << i + 1
+           << " pv";
 
         for (size_t j = 0; RootMoves[i].pv[j] != MOVE_NONE; ++j)
-            s <<  " " << move_to_uci(RootMoves[i].pv[j], pos.is_chess960());
+            ss << " " << move_to_uci(RootMoves[i].pv[j], pos.is_chess960());
     }
 
-    return s.str();
+    return ss.str();
   }
 
 } // namespace