Bench: 23640094

TerjeKir · Dec 31, 2024 · 2844d4f · 2844d4f
1 parent 179c96b
commit 2844d4f
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Showing 3 changed files with 5 additions and 4 deletions.
diff --git a/src/movepicker.c b/src/movepicker.c
@@ -159,7 +159,8 @@ void InitNoisyMP(MovePicker *mp, Thread *thread, Stack *ss, Move ttMove) {
     mp->onlyNoisy = true;
 }
 
-void InitProbcutMP(MovePicker *mp, Thread *thread, Stack *ss, int threshold) {
-    InitNoisyMP(mp, thread, ss, NOMOVE);
+void InitProbcutMP(MovePicker *mp, Thread *thread, Stack *ss, Move ttMove, int threshold) {
+    Position *pos = &thread->pos;
+    InitNoisyMP(mp, thread, ss, ttMove && SEE(pos, ttMove, threshold) ? ttMove : NOMOVE);
     mp->threshold = threshold;
 }
diff --git a/src/movepicker.h b/src/movepicker.h
@@ -41,4 +41,4 @@ typedef struct MovePicker {
 Move NextMove(MovePicker *mp);
 void InitNormalMP(MovePicker *mp, Thread *thread, Stack *ss, Depth depth, Move ttMove, Move killer);
 void InitNoisyMP(MovePicker *mp, Thread *thread, Stack *ss, Move ttMove);
-void InitProbcutMP(MovePicker *mp, Thread *thread, Stack *ss, int threshold);
+void InitProbcutMP(MovePicker *mp, Thread *thread, Stack *ss, Move ttMove, int threshold);
diff --git a/src/search.c b/src/search.c
@@ -398,7 +398,7 @@ static int AlphaBeta(Thread *thread, Stack *ss, int alpha, int beta, Depth depth
     if (   depth >= 5
         && (!ttHit || ttBound == BOUND_LOWER || ttScore >= probCutBeta)) {
 
-        InitProbcutMP(&mp, thread, ss, probCutBeta - ss->staticEval);
+        InitProbcutMP(&mp, thread, ss, ttMove, probCutBeta - ss->staticEval);
 
         Move move;
         while ((move = NextMove(&mp))) {