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MJZ1977 · Aug 13, 2019 · 2e3a4ea · 2e3a4ea
1 parent fcee0ce
commit 2e3a4ea
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/search.cpp b/src/search.cpp
@@ -788,7 +788,7 @@ namespace {
 
     // Step 8. Futility pruning: child node (~30 Elo)
     if (   !PvNode
-        &&  depth < 7 * ONE_PLY
+        &&  depth < (6 + (abs(eval - ss->staticEval) > 200) * 2) * ONE_PLY
         &&  eval - futility_margin(depth, improving) >= beta
         &&  eval < VALUE_KNOWN_WIN) // Do not return unproven wins
         return eval;