Use a fraction of king danger in endgame score

[stockfish] / src / evaluate.cpp

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index f93e23f66d1ef7b1578e11b50fb740c610846f72..a3f42dbef7ab4ef8c48b7a0afbc2fcd132dc8194 100644 (file)
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -475,7 +475,7 @@ namespace {
 
         // Transform the kingDanger units into a Score, and substract it from the evaluation
         if (kingDanger > 0)
-            score -= make_score(kingDanger * kingDanger / 4096, 0);
+            score -= make_score(kingDanger * kingDanger / 4096, kingDanger / 16);
     }
 
     // King tropism: firstly, find squares that opponent attacks in our king flank