The Costa Rican Chess Championship is the yearly national chess championship of Costa Rica. The first edition was played in 1927.
List of champions {| class="sortable wikitable" ! 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 || Leonardo Valdés |- | 77 || 2013 || Bernal González Acosta |- | 78 || 2014 || Alexis Murillo Tsijli |- | 79 || 2015 || Sergio Minero Pineda |- | 80 || 2016 || Bernal González Acosta |- | 81 || 2017 || Sergio Durán |- | 82 || 2018 || Mauricio Arias Santana |- | 83 || 2019 || Sergio Durán |- | 84 || 2020 || Sergio Minero Pineda |- | 85 || 2021 || Emmanuel Jimenez Garcia |- | 86 || 2022 || Leonardo Valdés |- | 87 || 2023 || Emmanuel Jimenez Garcia |- | 88 || 2024 || Emmanuel Jimenez Garcia
List of women's champions
{| class="sortable wikitable" ! Nr !! Year !! Winner |- | 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 |- | 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
References
Sources Lists of champions: , Full results from The Week in Chess: TWIC77 (1996), TWIC254 (1999), TWIC294 (2000), TWIC451 (2003), TWIC507 (2004), TWIC559 (2005) La Nacion, Jan 24, 2017: