https://mahjong.click/en/players/chekan-vikmar/rr/details/
Chekan Vikmar. Internal rating (RR)
Chekan Vikmar. Internal rating (RR)
chekaninternalrating
https://mahjong.click/en/players/chekan-vikmar/crr/details/
Chekan Vikmar. Common russian riichi rating (CRR)
Chekan Vikmar. Common russian riichi rating (CRR)
chekancommonrussianriichirating