Fix assert with very high score position

[stockfish] / src / endgame.cpp

diff --git a/src/endgame.cpp b/src/endgame.cpp
index ed6d48db13fcf1c6b5fc9b9af6aab626337f10e7..681b290c4711edd8d2d08fe92dd3afcc24b67fb0 100644 (file)
--- a/src/endgame.cpp
+++ b/src/endgame.cpp
@@ -60,7 +60,7 @@ namespace {
   const int PushAway [8] = { 0, 5, 20, 40, 60, 80, 90, 100 };
 
   // Pawn Rank based scaling factors used in KRPPKRP endgame
-  const int KRPPKRPScaleFactors[RANK_NB] = {0, 9, 10, 14, 21, 44, 0, 0};
+  const int KRPPKRPScaleFactors[RANK_NB] = { 0, 9, 10, 14, 21, 44, 0, 0 };
 
 #ifndef NDEBUG
   bool verify_material(const Position& pos, Color c, Value npm, int pawnsCnt) {
@@ -163,7 +163,7 @@ Value Endgame<KXK>::operator()(const Position& pos) const {
       ||(pos.count<BISHOP>(strongSide) && pos.count<KNIGHT>(strongSide))
       ||(pos.count<BISHOP>(strongSide) > 1 && opposite_colors(pos.squares<BISHOP>(strongSide)[0],
                                                               pos.squares<BISHOP>(strongSide)[1])))
-      result += VALUE_KNOWN_WIN;
+      result = std::min(result + VALUE_KNOWN_WIN, VALUE_MATE_IN_MAX_PLY - 1);
 
   return strongSide == pos.side_to_move() ? result : -result;
 }