Merge remote-tracking branch 'upstream/master'

[stockfish] / src / search.h

diff --git a/src/search.h b/src/search.h
index 7a5d5bdf47844de595fbdc1bf38def8bacfead8d..b620202d9178836f24619192409242b67166f564 100644 (file)
--- a/src/search.h
+++ b/src/search.h
@@ -1,6 +1,6 @@
 /*
   Stockfish, a UCI chess playing engine derived from Glaurung 2.1
-  Copyright (C) 2004-2021 The Stockfish developers (see AUTHORS file)
+  Copyright (C) 2004-2022 The Stockfish developers (see AUTHORS file)
 
   Stockfish is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -31,9 +31,6 @@ class Position;
 
 namespace Search {
 
-/// Threshold used for countermoves based pruning
-constexpr int CounterMovePruneThreshold = 0;
-
 
 /// Stack struct keeps track of the information we need to remember from nodes
 /// shallower and deeper in the tree during the search. Each search thread has
@@ -47,13 +44,13 @@ struct Stack {
   Move excludedMove;
   Move killers[2];
   Value staticEval;
-  Depth depth;
   int statScore;
   int moveCount;
   bool inCheck;
   bool ttPv;
   bool ttHit;
   int doubleExtensions;
+  int cutoffCnt;
 };
 
 
@@ -74,6 +71,9 @@ struct RootMove {
   Value score = -VALUE_INFINITE;
   Value previousScore = -VALUE_INFINITE;
   Value averageScore = -VALUE_INFINITE;
+  Value uciScore = -VALUE_INFINITE;
+  bool scoreLowerbound = false;
+  bool scoreUpperbound = false;
   int selDepth = 0;
   int tbRank = 0;
   Value tbScore;