The hall's Wyrm card is the glass board at the opening, seen from a corner, as a JPEG; its alt text says what the picture shows

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01CCLa2PaEeCj8njQZSWGqHx

gamehall/site/index.html

@@ -213,7 +213,7 @@
     </a>
 
     <a class="game" href="https://wyrm.kestrelsnest.social">
-      <div class="art"><img class="fill" src="wyrm.png" alt="Wyrm's upper board, the air, at the opening: Gold's Sylphs, Griffons and Dragon on the near ranks and Scarlet's on the far ones, on light blue and white squares."></div>
+      <div class="art"><img class="fill" src="wyrm.jpg" alt="Wyrm's glass board at the opening, seen from a corner: three tinted sheets, the air, the land and the underworld, with Gold's figures on the near ranks and Scarlet's on the far ones."></div>
       <div class="body">
         <h2>Wyrm</h2>
         <p class="pitch">Chess on three boards, with a Dragon in the air above your King and a Basilisk in the earth below.</p>