Bench: 2789369

jhonnold · Nov 19, 2024 · a7f2862 · a7f2862
1 parent 899c0be
commit a7f2862
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/search.c b/src/search.c
@@ -566,7 +566,7 @@ int Negamax(int alpha, int beta, int depth, int cutnode, ThreadData* thread, PV*
     // Prob cut
     // If a relatively deep search from our TT doesn't say this node is
     // less than beta + margin, then we run a shallow search to look
-    int probBeta = beta + 172;
+    int probBeta = beta + 172 - 20 * opponentDeclining;
     if (depth >= 6 && !ss->skip && abs(beta) < TB_WIN_BOUND && !(ttHit && ttDepth >= depth - 3 && ttScore < probBeta)) {
       InitPCMovePicker(&mp, thread, probBeta > eval);
       while ((move = NextMove(&mp, board, 1))) {