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