Digital player card
Show this at the counter and the staff can pull you up in one scan. Send it to someone and they see exactly who they are about to play.
MASTERMIND
CHESS CAFÉ
♟PAWN
Aaron L. Santiago
MM-00250 · @aaron_l_santiago
SCAN ME
RATING
1190
RANK
#35
GAMES
10
W–D–L
4–0–6
The code points to mastermindchesscafe.com/players/MM-00250. To save the card, take a screenshot — it is sized like a real ID, so it prints cleanly too.