Irreversible moves help winning. Bench: 4094170

Stefano80 · Sep 7, 2018 · 33ca971 · 33ca971
1 parent c3d71fe
commit 33ca971
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/search.cpp b/src/search.cpp
@@ -1042,7 +1042,7 @@ namespace {
                   r += ONE_PLY;
 
               // Decrease/increase reduction for moves with a good/bad history (~30 Elo)
-              r -= (ss->statScore - 16 * bestValue * thisThread->irreversibleMoves ) / 20000 * ONE_PLY;
+              r -= (ss->statScore + 16 * bestValue * thisThread->irreversibleMoves ) / 20000 * ONE_PLY;
           }
 
           Depth d = std::max(newDepth - std::max(r, DEPTH_ZERO), ONE_PLY);