The Greek Chess Championship is normally played the year after the title year. For example, the 24th championship (for the 1974 title) was played in 1975.

The 48th championship was an eleven-player single round-robin tournament

Round-robin tournament

A round-robin tournament is a competition "in which each contestant meets all other contestants in turn".-Terminology:...

 (average Elo rating 2421) held 8–23 December 1998.
Ioannes Papaioannou repeated as champion with a 7.0/9 score.

Winners

# Year Men's Winner (1) 1934 (2) 1935 (3) 1947 (4) 1948 1 1949 2 1950 3 1951 4 1952 5 1953 6 1954 7 1956 8 1957 9 1958 10 1959 11 1960 12 1961 13 1962 14 1963 15 1964 16 1965 17 1966 18 1967 19 1969 20 1970 21 1971 22 1972 23 1973 24 1974 25 1975 26 1976 27 1977 28 1978 29 1979 30 1980 31 1981 32 1982 33 1983 34 1984 35 1985 36 1986 37 1987 38 1988 39 1989 40 1990 41 1991 42 1992 43 1993 44 1994 45 1995 46 1996 47 1997 48 1998 49 1999 50 2000 51 2001 52 2002 53 2003 54 2004 55 2005 56 2006 57 2007 58 2008

# Year Women's Winner (1) 1947 1 1978 2 1979 3 1980 4 1981 5 1982 6 1983 7 1984 8 1985 9 1986 10 1987 11 1988 12 1989 13 1990 14 1991 15 1992 16 1993 17 1994 18 1995 19 1996 20 1997 21 1998 22 1999 23 2000 24 2001 25 2002 26 2003 27 2004 28 2005 29 2006 30 2007 31 2008 32 2009 33 2010