Last attempt for today. Bench: 3447817.

Stefano80 · Mar 1, 2019 · dce3ce2 · dce3ce2
1 parent c3d96e4
commit dce3ce2
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/search.cpp b/src/search.cpp
@@ -1072,9 +1072,10 @@ namespace {
           // Use a perceptron
           float test[] = {float(abs(bestValue)), float(ss->statScore), float(captureOrPromotion), float(newDepth), float(moveCount)};
           searchLearner.setThreshold(1.0);
+
           int pred = searchLearner.fetch(test);
 
-          Depth d = std::max(newDepth - std::max(r + pred * ONE_PLY, DEPTH_ZERO), ONE_PLY);
+          Depth d = std::max(newDepth - std::max(r + pred * ONE_PLY - ONE_PLY, DEPTH_ZERO), ONE_PLY);
 
           value = -search<NonPV>(pos, ss+1, -(alpha+1), -alpha, d, true);