The Costa Rican Chess Championship is the yearly national chess championship of Costa Rica. The first edition was played in 1927.
| Nr | Year | Winner | |
|---|---|---|---|
| 1 | 1927 | Rómulo Salas | |
| 2 | 1930 | Juan José Loria | |
| 3 | 1937 | Carlos M. Valverde | |
| 4 | 1938 | Rosalía Escalante de Serrano | |
| 5 | 1939 | Joaquín Gutiérrez | |
| 6 | 1940 | Carlos M. Valverde | |
| 7 | 1941 | Carlos M. Valverde | |
| 8 | 1942 | Carlos M. Valverde | |
| 9 | 1943 | Joaquín Gutiérrez | |
| 10 | 1944 | Joaquín Gutiérrez | |
| 11 | 1945 | Carlos M. Valverde | |
| 12 | 1946 | Antonio Rojas | |
| 13 | 1947 | Rogelio Sotela | |
| 14 | 1948 | Jaime Soley | |
| 15 | 1949 | Rogelio Sotela | |
| 16 | 1950 | Rogelio Sotela | |
| 17 | 1951 | Rogelio Sotela | |
| 18 | 1952 | R. Charpentier | |
| 19 | 1953 | R. Charpentier | |
| 20 | 1954 | R. Charpentier | |
| 21 | 1955 | R. Charpentier | |
| 22 | 1956 | R. Charpentier | |
| 23 | 1957 | R. Charpentier | |
| 24 | 1958 | R. Charpentier | |
| 25 | 1959 | R. Charpentier | |
| 26 | 1960 | Pablo Amiguetti | |
| 27 | 1961 | José Ma. Soto | |
| 28 | 1962 | Walter Field | |
| 29 | 1963 | Pablo Amiguetti | |
| 30 | 1964 | Samuel Li Chen | |
| 31 | 1965 | Fernando Montero | |
| 32 | 1966 | Fernando Montero | |
| 33 | 1968 | Alfonso Morales | |
| 34 | 1969 | Jorge Van der Laat | |
| 35 | 1970 | Fernando Aguilar | |
| 36 | 1971 | Fernando Aguilar | |
| 37 | 1972 | Juan Leon Jimenez Molina | |
| 38 | 1973 | Jaime Vaglio Muñoz | |
| 39 | 1974 | Fernando Montero | |
| 40 | 1975 | Juan Leon Jimenez Molina | |
| 41 | 1976 | Jaime Vaglio Muñoz | |
| 42 | 1977 | Juan Leon Jimenez Molina | |
| 43 | 1978 | Juan Leon Jimenez Molina | |
| 44 | 1979 | William Charpentier | |
| 45 | 1980 | William Charpentier | |
| 46 | 1981 | William Charpentier | |
| 47 | 1982 | Eduardo Piza | |
| 48 | 1983 | Alexis Vargas | |
| 49 | 1984 | Francis Mayland | |
| 50 | 1985 | William Charpentier | |
| 51 | 1986 | Jaime Vaglio Muñoz | |
| 52 | 1987 | William Charpentier | |
| 53 | 1989 | William Charpentier | |
| 54 | 1990 | Bernal González Acosta | |
| 55 | 1991 | Bernal González Acosta | |
| 56 | 1992 | Sergio Minero Pineda | |
| 57 | 1993 | Bernal González Acosta | |
| 58 | 1994 | Alexis Murillo Tsijli | |
| 59 | 1995 | Bernal González Acosta | |
| 60 | 1996 | Bernal González Acosta | |
| 61 | 1997 | Alexis Murillo Tsijli | |
| 62 | 1998 | Leonardo Valdés | |
| 63 | 1999 | Sergio Minero Pineda | |
| 64 | 2000 | Bernal González Acosta | |
| 65 | 2001 | Bernal González Acosta | |
| 66 | 2002 | Leonardo Valdés | |
| 67 | 2003 | Manuel Bernal González | |
| 68 | 2004 | Sergio Minero Pineda | |
| 69 | 2005 | Bernal González Acosta | |
| 70 | 2006 | Bernal González Acosta | |
| 71 | 2007 | Leonardo Valdés | |
| 72 | 2008 | Bernal González Acosta | |
| 73 | 2009 | Mauricio Arias Santana | |
| 74 | 2010 | Bernal González Acosta | |
| 75 | 2011 | Bernal González Acosta | |
| 76 | 2012 | ||
| 77 | 2013 | Bernal González Acosta | |
| 78 | 2014 | Alexis Murillo Tsijli | |
| 79 | 2015 | Sergio Minero Pineda | |
| 80 | 2016 | Bernal González Acosta | |
| 81 | 2017 | Sergio Durán | |
| 84 | 2020 | Sergio Minero Pineda |
| Nr | Year | Winner[1] | |
|---|---|---|---|
| 1 | 1938 | Rosalía Escalante de Serrano | |
| 2 | 1977 | Emma Hernández | |
| 3 | 1990 | Laura Granados on tiebreak match (2.5–1.5) over Silvia Arroyo | |
| 4 | 1991 | Laura Granados | |
| 5 | 1992 | Natalia Chaves | |
| 6 | 1993 | Karla Ramírez on tiebreak match (2–0) over Adela Navarro | |
| 7 | 1994 | Meylin Villegas Loaiza | |
| 1995 | cancelled[2] | ||
| 8 | 1996 | Karla Ramírez | |
| 9 | 1997 | Meylin Villegas Loaiza | |
| 10 | 1998 | Meylin Villegas Loaiza | |
| 11 | 1999 | Meylin Villegas Loaiza | |
| 2001 | Carolina Muñoz | ||
| 2002 | Sofia Lowski[3] |