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