Membre Diamant
Stay strong, don't smoke (and convénceles a tus seres queridos que no fumen tampoco)
https://onlinelibrary.wiley.com/doi/10.1111/j.1521-0391.2012.00290.x
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8179217/#ref-9
Clubs
Virginia Tech Hokies Chess Club
83 membres
ABSOLUTE BEGINNERS
898 membres
Chess.com Community
45 667 membres
KNIGHTS OF HEARTS
357 membres
The Owings Mills Chess Club
31 membres