--- a/src/chess/fen.c Tue Sep 08 14:34:48 2026 +0200
+++ b/src/chess/fen.c Tue Sep 08 22:22:01 2026 +0200
@@ -57,6 +57,7 @@
case BKNIGHT: str[i++] = 'n'; break;
case BROOK: str[i++] = 'r'; break;
case BPAWN: str[i++] = 'p'; break;
+ case NOPIECE: /* unreachable */ break;
}
} else {
skip++;