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Kovalev, Vladislav (06.01.1994)

Belarusian chess Grandmaster (2013) is born in Minsk, Belarus. Belarusian Chess Champion (2016). Belarusian Junior Chess Champions (2009, 2011 and 2012). Best results: European Youth Chess Championship 2008 – U14, 2nd; European Youth Chess Championship 2010 – U16, 3rd; Ilmar Raud memorial 2013 in Viljandi, tied 1st; Minsk Open 2015, 2nd; Liepājas Rokāde Open tournament

Kovalenko, Igor (29.12.1988)

Latvian, born Ukrainian chess Grandmaster (2011) is born in Novomoskovsk, Dnipropetrovsk Oblast, Ukraine. Latvian Chess Champion (2013, 2014). Best results: Alushta Summer Tournament 2009, 1st; Bondarevsky Memorial Tournament 2010, 1st; 17th Voronezh Chess Festival 2013, 1st; Baltic Zonal 2014, 1st; Zalakaros Open 2015, 1st; Iasi Open 2015, 1st; Albena Open 2015, 1st; Najdorf Memorial 2015,

Kosintseva, Tatiana (11.04.1986)

Russian chess Grandmaster (2009) is born in Arkhangelsk, Russia. European women’s champion (2007, 2009). Russian women’s champion (2002, 2004, 2007). Best results: European Youth Chess Championships 1996 – girls U10, 1st; World Youth Chess Championships 1996 – girls U10, 2nd; World Youth Chess Championships 1997 – girls U12, 2nd; European Youth Chess Championships 1998 –

Kosintseva, Nadezhda (14.01.1985)

Russian chess Grandmaster (2011) is born in Arkhangelsk, Russia. Russian Women Champion (2008). Best results: European Youth Chess Championship 1995 – girls U10, 1st; European Youth Chess Championship 1997 – girls U12, 1st; World Youth Chess Championship 1998 – girls U14, 1st; European Youth Chess Championship 2000 – girls U18, 1st; World Junior Chess Championship

Kostic Bora (24.02.1887 – 03.11.1963)

Yugoslav Grandmaster (1950). Kostic represented Yugoslavia in the Olympiads of 1927, 1931, 1935 and 1937 and was the first Yugoslav vice-champion with Vasja Pirc in 1935. Best results: Winner or shared first in Stockholm 1913, Chicago 1918, Hastings 1921-22, Trentschin-Teplitz 1928, Budapest 1936 and Ljubljana 1938.   He defeated Georg Wiarda at a match in

Akshayraj, Kore (01.09.1988)

Indian chess Grandmaster (2013) is born in Ahmednagar, India. Best results: Indian Youth Championship 1999 – under 12, 2nd; Indian Youth Championship 2000 – under 12, 1st; Indian Youth Championship 2001 – under 16, 3rd; Indian Youth Championship 2002 – under 16, 2nd; Commonwealth Chess Championship 2003 – under 16, 1st; Youth Chess Olympiad 2003

Konstantinopolsky, Alexander (19.02.1910-21.09.1990)

Soviet chess Grandmaster (1983) is born in Zhytomir, Russian Empire, now Ukraine. Soviet International Master (IM) of chess (1950), International Master at correspondence in 1966, chess coach and trainer, and a chess author. He was awarded an Honorary Grandmaster title in 1983. He was trained the world title challenger David Bronstein from a young age.

Kollars, Dmitrij (13.08.1999)

German chess Grandmaster (2017) is born in Bremen, Germany. Best results: Jurmala GM round robin 2016, tied 1st; World Youth Championship 2016 – U18, 4th; 16e Rencontres Internationales du Cap d’Agde – Grand Prix 2018, tied 2nd; 90. Deutsche Schachmeisterschaft 2019, tied 1st; Lueneburger Schachfestival 2019 A-Open, 1st. Peak rating: 2587 in September 2019  

Klein, David (20.12.1993)

Dutch chess Grandmaster (2014) is born in Haarlem, Netherlands. Best results: BDO Chess Tournament Challenger 2011, 1st; BDO Premier Tournament 2013, 2nd. Peak rating: 2517 in January 2015  

Khusnutdinov, Rustam (12.03.1987)

Kazakh chess Grandmaster (2009). Three-time champion of Kazakhstan among juniors. Best results: Zone 3.4. Championship Men 2012, tied 4th; Vecherkin blitz 2012, 2nd; The championship of Kazakhstan on blitz 2012, tied 2nd; Silver Samovar Blitz 2013, 1st; Kazakhstan Blitz Championship 2015, 1st; 15th Rochefort Chess Festival – Masters 2016, tied 1st; Karshi Open – Memorial