X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.cpp;h=64cdf1c4e5fac5f27d679e7ed4c2ad865c961a19;hp=c740b3c3ec4df3f88c8bd9ffe84f888848fbfb7b;hb=72e1e9b986fc4c656c3a3db24e5504e3edbb63cc;hpb=000a975eafc9f509f16ebb75f3dc2c655adf84b1

diff --git a/src/search.cpp b/src/search.cpp
index c740b3c3..64cdf1c4 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -1328,11 +1328,11 @@ namespace {
     const TTEntry* tte;
     Move ttMove, move;
     Depth ext, newDepth;
-    Value staticValue, nullValue, value, futilityValue, futilityValueScaled;
+    Value bestValue, staticValue, nullValue, value, futilityValue, futilityValueScaled;
     bool isCheck, useFutilityPruning, singleEvasion, moveIsCheck, captureOrPromotion, dangerous;
     bool mateThreat = false;
     int moveCount = 0;
-    Value bestValue = -VALUE_INFINITE;
+    futilityValue = staticValue = bestValue = -VALUE_INFINITE;
 
     if (depth < OnePly)
         return qsearch(pos, ss, beta-1, beta, Depth(0), ply, threadID);
@@ -1370,7 +1370,6 @@ namespace {
     }
 
     isCheck = pos.is_check();
-    ei.futilityMargin = Value(0); // Manually initialize futilityMargin
 
     // Calculate depth dependant futility pruning parameters
     const int FutilityMoveCountMargin = 3 + (1 << (3 * int(depth) / 8));
@@ -1672,7 +1671,6 @@ namespace {
     }
 
     isCheck = pos.is_check();
-    ei.futilityMargin = Value(0); // Manually initialize futilityMargin
 
     // Evaluate the position statically
     if (isCheck)
@@ -1819,7 +1817,6 @@ namespace {
                               && !isCheck;
 
     const int FutilityMoveCountMargin = 3 + (1 << (3 * int(sp->depth) / 8));
-    const int FutilityValueMargin = 112 * bitScanReverse32(int(sp->depth) * int(sp->depth) / 2);
 
     while (    sp->bestValue < sp->beta
            && !thread_should_stop(threadID)
@@ -1853,12 +1850,6 @@ namespace {
               continue;
 
           // Value based pruning
-          if (sp->futilityValue == VALUE_NONE)
-          {
-              EvalInfo ei;
-              sp->futilityValue = evaluate(pos, ei, threadID) + FutilityValueMargin;
-          }
-
           Value futilityValueScaled = sp->futilityValue - moveCount * IncrementalFutilityMargin;
 
           if (futilityValueScaled < sp->beta)