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
Reyes, Christian Khyle
MM-00233 · @reyes_christian
SCAN ME
RATING
1238
RANK
#9
GAMES
2
W–D–L
2–0–0
The code points to mastermindchesscafe.com/players/MM-00233. To save the card, take a screenshot — it is sized like a real ID, so it prints cleanly too.