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