West German International Master (1950). German Champion in 1929 and a participant in the Olympiad in 1930, 1931 and 1936. He won the Berlin championship in 1910, Duisburg in 1929, and finished second at Venice in 1929 and Stuttgart in 1947. Historical ELO: 2490.

German Grandmaster (2008) born in Russia. Best results: Cheliabinsk 1989, 1st; Hlohovec Open 1994, 2nd; Kranodar 2001, 2nd; Berlin Open 2002, 2nd-5th; Berlin Championship 2003, 2004 and 2007, 1st; Berlin Lichtentrade Open 2005, 1st; German Championship 2006, 4th-6th. Best ELO: 2519 in 2004.

Latvian Grandmaster (2005). Best results: Latvian Championship 2002, 1st-3rd; Rhode Open (FRA), 1st; Youth Masters Open Lausanne 2003, 1st; St. Affrique Open (FRA), 1st; Herbst Open (GER) 2004, 1st; Martigny Open 2005, 1st; Condom (FRA) Open 2005, 1st; Lodi (ITA) Open 2005, 1st; Citta di Assisi Open 2008, 1st; Citta di Olbia Open 2008, 1st;

German Grandmaster (2007). German U16 Champion 2003. Best results: German U14 Ch. 2001, 3rd equal; German U16 Ch. 2002, 2nd; Vienna GM 2005, 2nd; Pulvermuhle GM 2005, 2nd; Budapest FS08 2006, 1st; DVM U20 2007, 2nd; World U20 2007, 5th; Pamplona Magistral 2009, 1-4th; Dresden ZMD Open 2010, 1-3rd SPICE Cup (USA) 2011, 1-2nd, Marcel

Hungarian Grandmaster (2004). Hungarian U18 Champion in 1996. Best results: European U20 1999, 3rd-4th; Budapest FS08 GM 2002, 1st; Schwarzach Open 2002, 1st; Elekes Memorial (HUN) 2004, 2nd; Balaton GM 2005, 1st; Zalakos Festival 2008, 1st, Hungary championship 2010, 3nd; Pannonia-Nitrokemia Cup (HUN) 2010, 1st. Zoltan is the brother of Women Grandmaster Dr. Nora Medvegy.

Ukrainian Grandmaster (2008). Ukrainian U16 Champion in 2000. Best results: World U16 Championship 2000, 3rd-7th; Memorial Sinitsina (UKR) 2007, 1st; Dnepropetrovsk IM 2006, 1st; Czech Open F 2009, 1st; Kulaga Memorial (BLR) 2010, 1st. Best ELO: 2513 in 2009.

Ukrainian Grandmaster (2007). Best results: World Youth Under 16 Chess Olympiads in 1999 and 2000, 2nd; Mariupol Open 2003, 1st; Ukrainian U20 championship 2004, 2nd; KVU Open Shakty 2005, 1st-2nd; Dnipropetrovsk Open 2005, 2nd; I. Ivanov Memorial (RUS) 2006, 1st, Bridges of Ingul 2010, 2nd. Best ELO: 2504 in 2007.

Dominican Grandmaster (2008). The first Grandmaster of the Dominican Republic. Six times national champion. Best results: Genoa 2002, 2nd; Ciutat de Balaguer 2004, 3rd; Torneo Intl Aniversario de San Domingo, 1st-3rd; Albacete Open, 2nd; Toupouse Open 2008, 1st. A participant in six Olympiads between 1978 and 2008. Best ELO: 2506 in 2008.

Ecuadorian Grandmaster. First ever Ecuadorian Grandmaster. He was awarded one gold and one silver for the best and second best individual performance at board 3 at the Olympiads of 1982 and 1986 and a gold for the best score at board 1 of the Panamerican Team Championship in 2003. Won or shared first at Loures

Russian Grandmaster (2008). Best results: Olomuc IM 2005, 2nd; Olomuc Summer 2006, 1st; Petrovskaya Lydia GM 2006, 1st; Open Internacional d’Escacs Illes Medes 2008, 1st; Russian Championship HL 2008, 4th; Olomuc Summer GM 2009, 1st. Best ELO: 2571 in 2010.