X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fsearch.cpp;h=4683a006ffe42c93f613a384f83df61b26418bcf;hb=984ee9d05b6b1916e564047b2a0b8f117f911bca;hp=e56b2c7f60e4839843cdd95ff04219e2c86b4d53;hpb=a0cc15ccbc5dc48ea3c871915c8f96c7a624597d;p=stockfish

diff --git a/src/search.cpp b/src/search.cpp
index e56b2c7f..4683a006 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -1188,6 +1188,11 @@ moves_loop: // When in check and at SpNode search starts from here
             if (  (ss->staticEval = bestValue = tte->eval_value()) == VALUE_NONE
                 ||(ss->evalMargin = tte->eval_margin()) == VALUE_NONE)
                 ss->staticEval = bestValue = evaluate(pos, ss->evalMargin);
+
+            // Can ttValue be used as a better position evaluation?
+            if (ttValue != VALUE_NONE)
+                if (tte->bound() & (ttValue > bestValue ? BOUND_LOWER : BOUND_UPPER))
+                    bestValue = ttValue;
         }
         else
             ss->staticEval = bestValue = evaluate(pos, ss->evalMargin);
@@ -1205,7 +1210,7 @@ moves_loop: // When in check and at SpNode search starts from here
         if (PvNode && bestValue > alpha)
             alpha = bestValue;
 
-        futilityBase = ss->staticEval + ss->evalMargin + Value(128);
+        futilityBase = bestValue + ss->evalMargin + Value(128);
     }
 
     // Initialize a MovePicker object for the current position, and prepare