Latvian Grandmaster (1998), who won three times the World Senior Championship in 1997, 1999, 2001. Eight times Latvian champion (1954, 1962, 1967, 1968, 1970, 1971, 1979, and 1986). Officer in the Soviet Army. Winner of
Best results: winner at Primorsko 1976, Groningen Open 1991, Werfen 1991, Zahrinen Open 1997, Martigny 1998, Elista Botvinnik Memorial 2002, Keres Memorial II 2006, Lichtenstein Senior Open 2010.
A participant in the 1992 and 2000 Olympiads. Alexei Shirov:
Alexei Shirov: Klovans was always working very hard on chess to find the truth about every position, to find the logical opening variation. Searching for the truth was both his life and his chess style. I think in away he was a very clean person and a very clean chess player in a way.