Evaluation drift

[stockfish] / src / search.cpp

diff --git a/src/search.cpp b/src/search.cpp
index 31aea4668e1dc622fb08bf2a1072f907e8da68e2..39ed624c9ecc2408234b63c8518c843d3610fe77 100644 (file)
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -916,7 +916,7 @@ namespace {
         else
         {
             if (   newDepth >= 3*OnePly
-                && i >= MultiPV + LMRPVMoves - 2 // Remove -2 and decrease LMRPVMoves instead ?
+                && i >= MultiPV + LMRPVMoves
                 && !dangerous
                 && !moveIsCapture
                 && !move_is_promotion(move)
@@ -1543,7 +1543,11 @@ namespace {
         staticValue = tte->value();
     }
     else
+    {
         staticValue = evaluate(pos, ei, threadID);
+        if (!value_is_mate(staticValue + Value(ply)))
+            staticValue += Value(ply);
+    }
 
     if (ply == PLY_MAX - 1)
         return evaluate(pos, ei, threadID);