ablation: no decrease reduction if position is or has been on the PV

test r15
dhbloo · Jul 26, 2024 · d11217d · d11217d
1 parent 49a8c22
commit d11217d
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/Rapfi/search/ab/search.cpp b/Rapfi/search/ab/search.cpp
@@ -1122,8 +1122,8 @@ Value search(Board &board, SearchStack *ss, Value alpha, Value beta, Depth depth
             r += complexity * complexityReduction<Rule>(trivialMove, importantMove, distract);
 
             // Decrease reduction if position is or has been on the PV
-            if (ss->ttPv)
-                r -= 1.0f;
+            //if (ss->ttPv)
+            //    r -= 1.0f;
 
             // Increase reduction for nodes that does not improve root alpha
             if (!RootNode && (ss->ply & 1) && bestValue >= -searchData->rootAlpha)