The modern Welsh Chess Championship was inaugurated in 1955.The champion earned a place in the British Championship.
| Year | Men's Champion | Women's Champion | |
|---|---|---|---|
| 1955 | Arthur S. Griffiths | Beryl E. F. Kenyon | |
| 1956 | Briant Peter Bourne | Beryl E. F. Kenyon | |
| 1957 | M. E. Wise & Grahame F. Barnard | Nancy Budzinski née Scott | |
| 1958 | Brian V. Douthwaite | N. Budzinski & Maria MacLean | |
| 1959 | Donald A. Curtis | align=center | not held |
| 1960 | Pat J. Bennett | align=center | not held |
| 1961 | Pat J. Bennett, John Denley Mills | Maria MacLean | |
| 1962 | Arthur O. Jones, W. D. Newcombe | not held | |
| 1963 | George P. Moore | Shirley Mann | |
| 1964 | Graham H. Chesters | Zbyzska Southall | |
| 1965 | David Ian Wishart Reynolds | Shirley Mills (née Mann) & C Beryl Williams | |
| 1966 | David John Sully | Zbyzska Southall | |
| 1967 | Colin Gilbert | Zbyzska Southall | |
| 1968 | Arthur Howard Williams, Mikhail Gavrilovik | Zbyzska Southall | |
| 1969 | Mikhail Gavrilovik | Zbiska Southall & Hazel Brunker | |
| 1970 | Mikhail Gavrilovik, Graham H Chesters | Hazel Brunker | |
| 1971 | Arthur Howard Williams | Zbiska Southall | |
| 1972 | Arthur Howard Williams | Hazel Brunker | |
| 1973 | John Trevelyan, Stuart James Hutchings, George Botterill, Moss McCarthy | Hazel Brunker | |
| 1974 | Arthur Howard Williams | Mary Elizabeth Davies | |
| 1975 | Arthur Howard Williams | Beryl Jarman | |
| 1976 | John Grantley Cooper, Emmanuel M. Rayner | Jane Garwell | |
| 1977 | Arthur Howard Williams, John Grantley Cooper | Deborah Evans | |
| 1978 | John Grantley Cooper, Arthur Howard Williams | Jane Garwell | |
| 1979 | John Trevelyan, David John Sully | Deborah Evans | |
| 1980 | Arthur Howard Williams | Jane Garwell | |
| 1981 | Arthur Howard Williams | Jane Garwell, Diana James | |
| 1982 | Arthur Howard Williams | Jane Anson & Hazel Brunker | |
| 1983 | Stephen Collin James, Iolo Ceredig Jones, Paul A. Lamford, Arthur Howard Williams | Jane Garwell | |
| 1984 | John Grantley Cooper | Lynda Powell | |
| 1985 | John Grantley Cooper | Hazel Brunker | |
| 1986 | Arthur Howard Williams | Lynda Powell | |
| 1987 | Arthur Howard Williams, Moss McCarthy | Diana Adams | |
| 1988 | Arthur Howard Williams, Paul A. Lamford | Lynda Powell | |
| 1989 | Paul A. Lamford | Hazel Brunker | |
| 1990 | Charles F. Morris, P O'Neill, Stuart James Hutchings | Hazel Brunker | |
| 1991 | Arthur Howard Williams, Andrew R. Jones | Deborah Cooper (née Evans, later -Quek), Jane Garwell | |
| 1992 | John Grantley Cooper | Jane Richmond (née Garwell) | |
| 1993 | John Grantley Cooper, Arthur Howard Williams | Jane Richmond (née Garwell) | |
| 1994 | John Grantley Cooper, Arthur Howard Williams | Jane Richmond (née Garwell) | |
| 1995 | John Grantley Cooper | Jane Richmond (née Garwell) | |
| 1996 | John Grantley Cooper | Jane Richmond (née Garwell) | |
| 1997 | David H. Cummings | Amanda John | |
| 1998 | David H. Cummings, Andrew Dyce, Sven Zeidler, Gareth Morris | Julie Wilson | |
| 1999 | James Cobb | Beryl Hughes | |
| 2000 | Leighton Williams | Deborah Evans-Quek (née Evans, formerly Cooper) | |
| 2001 | James Cobb | no contest | |
| 2002 | Richard S. Jones | Abigail Cast | |
| 2003 | Richard S. Jones | Deborah Evans-Quek | |
| 2004 | Suan Evans-Quek | Jane Richmond (née Garwell) | |
| 2005 | Leighton Williams | Olivia Smith | |
| 2006 | John Trevelyan | Abigail Cast | |
| 2007 | James Cobb | Abigail Cast | |
| 2008 | Leighton Williams, James Cobb | Suzy Blackburn | |
| 2009 | Ioan Rees, Richard S. Jones | Olivia Smith, Suzy Blackburn | |
| 2010 | Richard S. Jones | Olivia Smith | |
| 2011 | Arthur Howard Williams, Sven Zeidler | Olivia Smith | |
| 2012 | Tim Kett, Richard S. Jones | Suzy Blackburn | |
| 2013 | Richard S. Jones | Syringa Camp, Stephanie Du Toit | |
| 2014 | Tim Kett | Olivia Smith | |
| 2015 | James Cobb | Lynda Roberts (née Powell, later Smith) | |
| 2016 | Tim Kett | Julie Van Kemenade | |
| 2017 | Allan J. Pleasants | Imogen Camp, Shayanna Sivarajasingam, Venetia Sivarajasingam, | |
| 2018 | Gerry Heap, David Jameson and Sven Zeidler | Venetia Sivarajasingam | |
| 2019 | Tim Kett | Imogen A. L. Camp | |
| 2022 | Jose Camacho Collados | Lynda Smith | |
| 2023 | Daniel Kozusek | Lynda Smith | |
| 2024 | Daniel Kozusek | Olivia Smith |
The Henry Golding Individual Trophy for the Welsh Champion