Mastrovasilis Athanosios (18.04.1979)

Greek Grandmaster (2005), FIDE Trainer (2014).

Best results: European U18 championship 1994, 5-7^th; Greek championship 1999, 2^nd; Acropolis Open 2003, 1^st; Acropolis GM 2004, Greek championship, 2-3^rd; 1-4^st, Leros Open 2010, 1-3^rd; Thessaloniki Open 2011, 2^nd; Artemis Cup (GRE) 2011, 1-3^rd; Karpos Open 2016, 2nd-5th; Greek Championship 2017, 2^nd.

A participant at the Olympiad since 2004 and at the 2009 World Team Championship.

Athanosios is the elder brother of Dimitrios Mastrovasilis.
Peak rating: 2556 in 2010.