Bench: 20282767

TerjeKir · Sep 8, 2023 · f572334 · f572334
1 parent e0d6e93
commit f572334
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Showing 2 changed files with 4 additions and 8 deletions.
diff --git a/src/board.h b/src/board.h
@@ -113,13 +113,9 @@ INLINE void SqToStr(Square sq, char *str) {
     str[1] = '1' + RankOf(sq);
 }
 
-INLINE bool IsRepetition(const Position *pos, int count) {
-    int c = 0;
-    for (int i = 4; i <= pos->rule50 && i <= pos->histPly; i += 2) {
+INLINE bool IsRepetition(const Position *pos) {
+    for (int i = 4; i <= pos->rule50 && i <= pos->histPly; i += 2)
         if (pos->key == history(-i).key)
-            c++;
-        if (c == count)
             return true;
-    }
     return false;
 }
diff --git a/src/search.c b/src/search.c
@@ -83,7 +83,7 @@ static int Quiescence(Thread *thread, Stack *ss, int alpha, const int beta) {
         longjmp(thread->jumpBuffer, true);
 
     // Position is drawn
-    if (IsRepetition(pos, 1 + pvNode) || pos->rule50 >= 100)
+    if (IsRepetition(pos) || pos->rule50 >= 100)
         return DrawScore(pos);
 
     // Probe transposition table
@@ -218,7 +218,7 @@ static int AlphaBeta(Thread *thread, Stack *ss, int alpha, int beta, Depth depth
         }
 
         // Position is drawn
-        if (IsRepetition(pos, 1 + pvNode) || pos->rule50 >= 100)
+        if (IsRepetition(pos) || pos->rule50 >= 100)
             return DrawScore(pos);
 
         // Max depth reached