Do more aggressive pruning for some node types

[stockfish] / src / search.h

diff --git a/src/search.h b/src/search.h
index 811b2e2a9460ef0437322fde8d76ce8731303eb5..7a5d5bdf47844de595fbdc1bf38def8bacfead8d 100644 (file)
--- a/src/search.h
+++ b/src/search.h
@@ -47,11 +47,13 @@ struct Stack {
   Move excludedMove;
   Move killers[2];
   Value staticEval;
+  Depth depth;
   int statScore;
   int moveCount;
   bool inCheck;
   bool ttPv;
   bool ttHit;
+  int doubleExtensions;
 };
 
 
@@ -71,6 +73,7 @@ struct RootMove {
 
   Value score = -VALUE_INFINITE;
   Value previousScore = -VALUE_INFINITE;
+  Value averageScore = -VALUE_INFINITE;
   int selDepth = 0;
   int tbRank = 0;
   Value tbScore;