Fix: PGN-Encoding (UTF-8/Latin-1 Fallback für Umlaute)

js/app.js

@@ -22,7 +22,13 @@ let updateTimer = null;
 async function fetchRoundPGN(round) {
     const res = await fetch(`https://www.deutsche-schachjugend.de/2026/odjm-d/partien/${round}.pgn?t=${Date.now()}`);
     if (!res.ok) return null;
-    return await res.text();
+    const buf = await res.arrayBuffer();
+    // DSJ liefert ISO-8859-1; versuche UTF-8, fallback auf Latin-1
+    let text = new TextDecoder('utf-8').decode(buf);
+    if (text.includes('\uFFFD')) {
+        text = new TextDecoder('iso-8859-1').decode(buf);
+    }
+    return text;
 }
 
 async function loadPGN(showOverlay = true) {