Introduce Optimism

[stockfish] / src / thread.h

diff --git a/src/thread.h b/src/thread.h
index 387937390c18b1381fccc2e18755b69f3f73c2c9..cd206faab987c71ee5bcc41406b2e42d75dab3eb 100644 (file)
--- a/src/thread.h
+++ b/src/thread.h
@@ -68,6 +68,7 @@ public:
   int selDepth, nmpMinPly;
   Color nmpColor;
   ExplosionState state;
+  Value optimism[COLOR_NB];
 
   Position rootPos;
   StateInfo rootState;