aspiration: widen really slowly (8701254)

official-stockfish · Jul 24, 2014 · 1be191c · 1be191c
1 parent e8fa221
commit 1be191c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/search.cpp b/src/search.cpp
@@ -358,7 +358,7 @@ namespace {
                 else
                     break;
 
-                delta += 3 * delta / 8;
+                delta += delta / 4;
 
                 assert(alpha >= -VALUE_INFINITE && beta <= VALUE_INFINITE);
             }