Skip king protector bonus when there is no king

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index f61f9af..e5863ad 100644 (file)
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -387,6 +387,7 @@ namespace {
                 score += MinorBehindPawn;
 
             // Penalty if the piece is far from the king
+            if (pos.count<KING>(Us))
             score -= KingProtector[Pt == BISHOP] * distance(s, pos.square<KING>(Us));
 
             if (Pt == BISHOP)