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