Ivan started playing chess when he was 5 years old, while watching his grandfather and father play. At the age of 10 he started working with IM Petar Smederevac, the coach of the national team of the old Yugoslavia, who is probably the real reason that he started playing professionally. Before he reached the age of 20 years old, he shared 1st place in the Championship of the former Yugoslavia. In 1999 he won the title of Grandmaster. Since 1998 he is a member of the national team, and since 2007 continually playing on the first board. Four times he was the Champion of Serbia. He won many tournaments, from which we remember mostly following: Saint Petersburg 2014, Skopje 2015, sharing 1-5 place in Dubai 2015, Vršac, the Bora Kostić Memorial, 2006, Nova Gorica 2007, Bergamo 2014, Kavala 2007, Podgorica, 2011 becoming the Balkan champion and Kozloduy, the rapid championship of Danube 2012. He was also participant of the World Cup in 2011. Miloš Perunović learned playing chess from his father, who was also my first coach. His first successes he achieved in his younger years: Four-time champion of Yugoslavia (1993-94-95-96), vice-champion of Europe, category up to 12 years (Verdun, France 1995), vice-champion of the World, category up to 12 years (Minorca Spain 1996). After these successes he collaborated with the renowned Russian coaches Alexander Nikitin and Orestes Averkin. In 2005 he achieved the title of Grandmaster. Since 2003 he is a member of the national Serbian team. He participated in four Chess Olympics 2004, 2008, 2012 and 2014 and six European championships.He was the national Champion in 2005 & 2007 and the winner of open tournaments like the "Veselin Bošković", Belgrade 2005 & Berlin 2014, shared 1st to 6th place in Skopje 2013 and shared 1-4 place in Oberwart. He came second in the Chicago Open 2012 and also was participating in the World Cup, Baku 2015. Robert Marcus also came from a chess family, his father being a correspondence chess player. He explained how the peaces were moving and provided all the needed basics. He worked 4 years with his first and only coach, FM Jovan Geleta. In that time he became 3 times the champion of Yugoslavia in the junior categories. In 1999 he became an IM, and when reaching 20, he made his 3 GM norms within one year, making him to decide to become a chess professional. He also played many times in the national team, but his biggest success was to qualify for the World Cup, in 2007 and 2009. His highest rating, 2652, he obtained in July 2011.