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The first Konex Master Chess Tournament organized by the founder and president of the Konex Foundation, Luis Ovsejevich, started off in Buenos Aires in 1977. The foundation sponsored Marcelo Tempone, World Chess Champion Junior, for further training and so as to participate in international tournaments (1979-1980), the Argentine Team to the Olympiads for players under 26, held at Mexico City 1980, the Argentine Chess Team, to the First World Chess Championship for Teams, held in Lucerne, Switzerland, in 1985, Hugo Spangenberg (13 years old) in the Infant World Chess Championship, at Puerto Rico 1989, and the participation of the Argentine and South American (Female) Champion Claudia Amura in the Inter-Zone Chess Tournament in Moscow, Russia, in 1990.^[1]

Konex Master Chess Tournament

#	Year	Winner
1	1977 (National, closed)	Raúl Sanguineti (Argentina)
2	1979 (International invitation tournament)	Viktor Korchnoi (Switzerland) Ljubomir Ljubojević (Yugoslavia)
3	1980 (Open tournament)	Jorge Szmetan (Argentina), clear first
4	1985 (Zonal)	Miguel Quinteros (Argentina) Iván Morovic (Chile)
5	1987 (International invitation tournament)	Mikhail Tal (Soviet Union)
6	1988 (International invitation tournament)	Gilberto Milos (Brazil) Zenon Franco (Paraguay)
7	1991 (Open tournament)	Pablo Ricardi (Argentina), first on tie-break
8	1994 (Open tournament)	Pablo Zarnicki (Argentina), first on tie-break

References

^ "Fundaci?n Konex". Archived from the original on 2009-03-22. Retrieved 2008-08-31.

v t e Major recurring international chess tournaments
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Major present (average rating > 2700; round-robin system generally)	Dortmund Sparkassen Chess Meeting (since 1973) Grand Chess Tour (since 2015) Grenke Chess Classic (since 2013) London Chess Classic (since 2009) Norway Chess (since 2013) Shamkir Chess (since 2014) Shenzhen Masters (since 2017) Sinquefield Cup (since 2013) Tata Steel Chess Tournament (since 1938)
Other present (Swiss system generally)	Aeroflot Open (since 2002) Australasian Masters (since 1987) Biel Chess Festival (since 1968) Canadian Open (since 1956) Capablanca Memorial (since 1962) Cappelle-la-Grande Open (since 1985) Carlos Torre Repetto Memorial (since 1987) Chigorin Memorial (since 1909) Doeberl Cup (since 1963) Dubai Open (since 1999) Gibraltar Chess Festival (since 2003) Hastings International Chess Congress (since 1920) Hogeschool Zeeland Tournament (since 1995) Lublin Grandmaster Tournament (since 2009) Paul Keres Memorials (Tallinn, since 1969) (Vancouver, since 1975) Prague Chess Festival (since 2019) Qatar Masters Open (2014–2015, since 2023) Reykjavik Open (since 1964) Riga Technical University Open (since 2011) Rilton Cup (since 1971) Rubinstein Memorial (since 1963) South African Open (since 1962) U.S. Open (since 1900) Vidmar Memorial (since 1969) World Open (since 1973) Xtracon Chess Open (since 1979) Zurich Christmas Open (since 1977)
Recently cancelled (after 2000)	Alekhine Memorial (1956–2013, irregular) Acropolis (1968–2009) Aerosvit (2006–2008) Amber (1992–2011) Bilbao Chess Masters Final (2008–2016) Howard Staunton Memorial (2003–2009) Linares (1978–2010) Mar del Plata (1928–2001) Millionaire Chess (2014–2016) M-Tel Masters (2005–2009) North Sea Cup (1976–2008) Pearl Spring (2008–2010) Reggio Emilia (1947–2012) Tal Memorial (2006–2018) Zurich Chess Challenge (2012–2017)
Major past (19th–20th century)	American Chess Congress (1857–1923) Carl Schlechter Memorial (1923–1996) DSB Congress (1879–1932) General Government (1940–1944) IBM international (1961–1981) Konex (1977–1994) Leopold Trebitsch Memorial (1907–1938) Lone Pine International (1971–1981) Max Euwe Memorial (1987–1996) Monte Carlo (1901–1904; 1967–1969) Netanya (1961–1983) Palma de Mallorca (1965–1972) Phillips & Drew Kings (1980–1986) Piatigorsky Cup (1963–1966) San Sebastián (1911–1912) Silesian Chess Congress (1922–1939) Tilburg (1977–1998) Triberg (1914–1917)
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