Remove 4*IncrementalFutilityMargin from futilityValue

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
2025-12-16 15:16:25 +08:00 · 2009-11-21 14:41:07 +01:00
parent c52da3b806
commit 889c8538a8
1 changed files with 1 additions and 2 deletions
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -1473,8 +1473,7 @@ namespace {
          {
              if (futilityValue == VALUE_NONE)
                  futilityValue =  evaluate(pos, ei, threadID)
-                                 + 64*(1+bitScanReverse32(int(depth) * int(depth)))
-                                 + 4*IncrementalFutilityMargin;
+                                 + 64*(1+bitScanReverse32(int(depth) * int(depth)));

              futilityValueScaled = futilityValue - moveCount * IncrementalFutilityMargin;