Tweak NMP Formula

official-pikafish · May 18, 2024 · 9ae2831 · 9ae2831
1 parent 74a674a
commit 9ae2831
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/search.cpp b/src/search.cpp
@@ -683,7 +683,7 @@ Value Search::Worker::search(
         assert(eval - beta >= 0);
 
         // Null move dynamic reduction based on depth and eval
-        Depth R = std::min(int(eval - beta) / 122, 5) + depth / 3 + 4;
+        Depth R = std::min(int(eval - beta) / 122, 5) + depth / 3 + 5;
 
         ss->currentMove         = Move::null();
         ss->continuationHistory = &thisThread->continuationHistory[0][0][NO_PIECE][0];