Move draw by material check

[stockfish] / src / endgame.h

diff --git a/src/endgame.h b/src/endgame.h
index b560c7989f9d93c72e65995f99ce6bc7ce200498..5ea40bbf91b995070a7bf804b52ecc8c0fec548e 100644 (file)
--- a/src/endgame.h
+++ b/src/endgame.h
@@ -17,7 +17,7 @@
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-#if !defined(ENDGAME_H_INCLUDED)
+#ifndef ENDGAME_H_INCLUDED
 #define ENDGAME_H_INCLUDED
 
 #include <map>
@@ -33,6 +33,7 @@ enum EndgameType {
 
   // Evaluation functions
 
+  KNNK,  // KNN vs K
   KXK,   // Generic "mate lone king" eval
   KBNK,  // KBN vs K
   KPK,   // KP vs K
@@ -42,8 +43,7 @@ enum EndgameType {
   KQKP,  // KQ vs KP
   KQKR,  // KQ vs KR
   KBBKN, // KBB vs KN
-  KNNK,  // KNN vs K
-  KmmKm, // K and two minors vs K and one or two minors
+  KmmKm, // K and one or two minors vs K and zero or one minor
 
 
   // Scaling functions
@@ -119,4 +119,4 @@ public:
   { return eg = map(eg).count(key) ? map(eg)[key] : NULL; }
 };
 
-#endif // !defined(ENDGAME_H_INCLUDED)
+#endif // #ifndef ENDGAME_H_INCLUDED