Diamond agza
The Richard opening
The Carson-Nathan opening
The Carson-Richard opening
Richard-Timothy Attack
Richard Attack
Richard-Jasper Defense
Pak Hei-Richard Opening
Pak Hei+Richie-Richard Variation of the Caro-Kann Defense
Klublar
Official HCF Club
10 agza
Seven Rooks
11 agza
Chess.com Beta
4 710 agza
Team Hong Kong
3 400 agza
Kidult Hong Kong Chess Academy
643 agza