software engineer, father of two sons, amateur Olympic weightlifter, improving chess player
https://ratings.fide.com/profile/118155876
https://lichess.org/@/mamciek
클럽
Liga Team Poland
회원 287명
Team Poland
회원 798명
PZSzach
회원 354명
Infoszach
회원 7,806명
The Jesse Kraai Club
회원 95명