Raise kingDanger threshold and adjust constant term #2087

[stockfish] / src / evaluate.cpp

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index 51cba651d5ef0088c912c79ca8ac622ce75a1eca..7408a77ccf0236c02dab1608399d7311901594c5 100644 (file)
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -472,10 +472,10 @@ namespace {
                  -   6 * mg_value(score) / 8
                  +       mg_value(mobility[Them] - mobility[Us])
                  +   5 * kingFlankAttacks * kingFlankAttacks / 16
-                 -   25;
+                 -   15;
 
     // Transform the kingDanger units into a Score, and subtract it from the evaluation
-    if (kingDanger > 0)
+    if (kingDanger > 100)
         score -= make_score(kingDanger * kingDanger / 4096, kingDanger / 16);
 
     // Penalty when our king is on a pawnless flank