-#include "scale.h"
-#include "value.h"
-
-
-////
-//// Types
-////
-
-/// Abstract base class for all special endgame evaluation functions:
-
-class EndgameEvaluationFunction {
-public:
- EndgameEvaluationFunction(Color c);
- virtual ~EndgameEvaluationFunction() { }
-
- virtual Value apply(const Position &pos) =0;
-
-protected:
- Color strongerSide, weakerSide;
-};
-
-
-/// Subclasses for various concrete endgames:
-
-// Generic "mate lone king" eval:
-class KXKEvaluationFunction : public EndgameEvaluationFunction {
-public:
- KXKEvaluationFunction(Color c);
- Value apply(const Position &pos);
-};
-
-// KBN vs K:
-class KBNKEvaluationFunction : public EndgameEvaluationFunction {
-public:
- KBNKEvaluationFunction(Color c);
- Value apply(const Position &pos);
-};
-
-// KP vs K:
-class KPKEvaluationFunction : public EndgameEvaluationFunction {
-public:
- KPKEvaluationFunction(Color c);
- Value apply(const Position &pos);
-};
-
-// KR vs KP:
-class KRKPEvaluationFunction : public EndgameEvaluationFunction {
-public:
- KRKPEvaluationFunction(Color c);
- Value apply(const Position &pos);
-};
-
-// KR vs KB:
-class KRKBEvaluationFunction : public EndgameEvaluationFunction {
-public:
- KRKBEvaluationFunction(Color c);
- Value apply(const Position &pos);
-};
-
-// KR vs KN:
-class KRKNEvaluationFunction : public EndgameEvaluationFunction {
-public:
- KRKNEvaluationFunction(Color c);
- Value apply(const Position &pos);
-};
-
-// KQ vs KR:
-class KQKREvaluationFunction : public EndgameEvaluationFunction {
-public:
- KQKREvaluationFunction(Color c);
- Value apply(const Position &pos);
-};