GMDimitrios Mastrovasilis

Dimitrios Mastrovasilis was born in 1983; his older brother Athanasios also became a grandmaster. Dimitrios won European under-18 silver in 2000. In 2003 he won the inaugural Mediterranean Junior Championship in Libya and became a grandmaster. He shared first place with Kiril Georgiev at Topola in 2004 and won the Artemis Cup in Leros in 2012.

Mastrovasilis has represented Greece in Olympiads and European and world team championships. At the 2023 World Cup he defeated Felix Blohberger in a tiebreak before losing to Vidit Gujrathi, again in a tiebreak. He had previously competed in the 2004 FIDE world championship and the 2017 World Cup.