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