Nickname: K
Riichi-Portal profile: Nikita Tkachenko 
Playing since: 2009
Favourite yaku: dabushaa [Dabushaa - yaku, double west wind in the west round]
Favourite online client: tenhou.net
Preferred rules: JPML-B, no akas, uma 15000/5000
For me, riichi is: lifestyle. Just kidding, it's a hobby.
Achievements: Japan House Reach Mahjong Cup 2014 — 1st place, Japan House Reach Mahjong Cup 2016 — 2nd place
Contribution to club development: participation in club events
Personal goals: to be universally recognized as the best Russian player
About myself: veteran touhou fan