--- a/src/chess/knight.h Thu Jul 30 18:34:15 2026 +0200
+++ b/src/chess/knight.h Thu Jul 30 19:17:38 2026 +0200
@@ -36,7 +36,7 @@
extern "C" {
#endif
-bool knight_chkrules(Move *move);
+bool knight_chkrules(const Move *move);
#define knight_isblocked(gs,m) false
#ifdef __cplusplus