X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fendgame.h;h=43a685572aa710f15c5a9da2b037ddb23309d175;hb=e6863f46de3eea91a1093465959f1acd75d6d02c;hp=271490b186436395947fdf173c3c48cb5dad9a83;hpb=297c12e595ebc33e11be73ee4b188326418acb4f;p=stockfish

diff --git a/src/endgame.h b/src/endgame.h
index 271490b1..43a68557 100644
--- a/src/endgame.h
+++ b/src/endgame.h
@@ -45,6 +45,7 @@ enum EndgameType {
     KRKN,  // KR vs KN
     KQKR,  // KQ vs KR
     KBBKN, // KBB vs KN
+    KNNK,  // KNN vs K
     KmmKm, // K and two minors vs K and one or two minors
 
     // Scaling functions
@@ -68,6 +69,7 @@ public:
   EndgameFunctionBase(Color c) : strongerSide(c), weakerSide(opposite_color(c)) {}
   virtual ~EndgameFunctionBase() {}
   virtual T apply(const Position&) = 0;
+  Color color() const { return strongerSide; }
 
 protected:
   Color strongerSide, weakerSide;
@@ -81,12 +83,14 @@ typedef EndgameFunctionBase<ScaleFactor> EndgameScalingFunctionBase;
 
 template<EndgameType>
 struct EvaluationFunction : public EndgameEvaluationFunctionBase {
+  typedef EndgameEvaluationFunctionBase Base;
   explicit EvaluationFunction(Color c): EndgameEvaluationFunctionBase(c) {}
   Value apply(const Position&);
 };
 
 template<EndgameType>
 struct ScalingFunction : public EndgameScalingFunctionBase {
+  typedef EndgameScalingFunctionBase Base;
   explicit ScalingFunction(Color c) : EndgameScalingFunctionBase(c) {}
   ScaleFactor apply(const Position&);
 };