Normalize evaluation

[stockfish] / src / uci.h

diff --git a/src/uci.h b/src/uci.h
index 76a893f90c4f0067b58cad0b7df91c7cdefd2806..f5f2c385c6c65e41a99f998292ab68e391333213 100644 (file)
--- a/src/uci.h
+++ b/src/uci.h
@@ -30,6 +30,13 @@ class Position;
 
 namespace UCI {
 
+// Normalizes the internal value as reported by evaluate or search
+// to the UCI centipawn result used in output. This value is derived from
+// the win_rate_model() such that Stockfish outputs an advantage of
+// "100 centipawns" for a position if the engine has a 50% probability to win
+// from this position in selfplay at fishtest LTC time control.
+const int NormalizeToPawnValue = 348;
+
 class Option;
 
 /// Define a custom comparator, because the UCI options should be case-insensitive