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