FIDE Senior Trainer from 2002
FIDE Senior Trainer from 2002, FIDE TRAINERS COMMISSION Chairman from 2009. Conducted 12 Seminars for FIDE trainers in Germany, UAE, Greece, Spain, Netherlands, Poland, Turkey, Croatia and Austria. Trainer of Soviet National team 1989-90 World and European Champions. Trainer of National team Slovenia 1998-2003, National team of Netherlands 2003-2007, National Team of Turkey 2007-08. Conducted trainings camps with National teams of Poland and Switzerland. Individual trainings with Maya Tchiburdanidze 1978, Nana Aleksandria -1983, Anatoly Karpov 1980-1986, Aleksandr Beliavsky 1986-1995, Vasyl Ivanchuk 1990, Polgar sisters 1992-1994, Alisa Maric 1994-2000, Zhaoqin Peng 2002-2007, Mateusz Bartel 2000-2009, Ilya Nyzhnyk 2009, Richard Rapport 2010, Arkady Naidich -2005-2006. Trainer of club AGROUNIVERZAL Belgrade, three times winner of European Women Cup 1993, 1997, 1999. He is currently coaching the Women's Team in Turkey
Armenian chess player and National Coach. FIDE awarded him the International Grandmaster title in 1984. He won the Armenian Chess Championship in 1974 and 1976. He became a prominent Soviet tournament player during the 1980s, winning games against such noted grandmasters as Alexey Shirov, Rafael Vaganian, and Alexander Morozevich. His current Elo rating is 2470, although he has been inactive for at least five years. More recently he has served as a trainer and mentor to his son-in-law, Péter Lékó. Petrosian is not related to Tigran Petrosian, also Armenian, who was World Chess Champion from 1963 to 1969.
Greek chess Grandmaster. His work in this field includes more than 5000 hours of training in many clubs, especially with younger players. From 1986 to 1991 he was the Federal Trainer of the National Juniors Team. During the period 1989–1990 he was the Trainer of the DEI Macedonia-Thrace Chess Academy, while during 1996–1998 and 2002–2004 he held the same position in Pnevmatiki Stegi Peristeriou Chess Club and finally during 2002–2005 he worked with Koropi Sports & Chess Club as well. In 2001–2002 he worked as a professor at the Institute of Professional Education in Peristeri and as External Contributor with O.E.E.K. (Sports Department - Chess Trainer Faculty) while from 2001–2004 he also offered his chess services to the Military Officers’ Academy. In 2004 Grivas was awarded the title of FIDE Senior Trainer
won the World Junior Chess Championship in 1973 and the USSR Chess Championship four times (in 1974, 1980, 1987 and 1990). In the 1982–84 World Chess Championship cycle, Beliavsky qualified for the Candidates Tournament once, losing to eventual winner Garry Kasparov in the quarterfinals of the 1983 Candidates matches. Winner with the USSR team World Chess Olympiads 1982,1984 and 1988,1990.European Team Championship 1992 silver medal with Ukrainian team. Winner European Team with USSR team 1985. In tournaments, he was first equal at Baden 1980, first at Tilburg 1981 and 1988, second equal at Tilburg 1984, joint winner at Wijk aan Zee 1984 and joint second at the same event a year later. At the second Russia (USSR) vs Rest of the World match in 1984, he was the top scorer for the victorious Soviet team, defeating Yasser Seirawan 2–0 and Bent Larsen 1½–½.Won many other strong international tournaments London 1985,sochi 1986,Amsterdam 1990,Munich 1990,Belgrade 1993,Cacak 1993,Polanica Zdroj 1986. Beliavsky won the Vidmar Memorial four times: in 1999, 2001, 2003 (with Emil Sutovsky) and 2005. In 2013 he tied for 1st–8th European Individual. He is also a chess coach and in 2004 was awarded the title of FIDE Senior Trainer.He trained Garry Kasparov,Anna and Maria Muzychuk,Arkady Naidich,Vugar Gashimov,Maxim Vachier Lagrave and many others.