| Note: The list of State Champions below is believed to be correct. Any missing information or corrections to the lists will be rectified once they are known. |
| State Champions | State Reserves Champions | State Allegro Champions | State Blitz Champions |
| State Seniors Champions | State Junior Champions | State W&G Champions | State Best Games |
 WA State Chess Championship Trophy The trophy was donated in the 1950's by Reg Harrison to perpetuate the memory of his chess-playing son Geoffrey who was killed whilst serving with the R.A.A.F. The first W.A. Championship was held more than a century ago. |
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| 1895 N.E. Hill | 1945 G. Lindgren | 1985 H. Barber |
| 1896 J.Hilton | 1946 G.H. Hastings | 1986 J. Simpson (10) |
| 1898 H.P. Colebatch (1) | 1947 G.H. Hastings | 1987 J. Simpson |
| 1899 J. Hilton | 1948 G. Lindley (5) | 1988 L. Pang |
| 1900 W.S. Viner (2) | 1949 G. Lindley | 1989 H. Barber |
| 1901 W.S. Viner | 1950 G. Lindley | 1990 H. Barber |
| 1903 W.S. Viner | 1951 S. Nikolenko | 1991 H. Barber |
| 1905 W.S. Viner | 1952 G. Lindley | 1992 H. Barber |
| 1908 W.W. Farrington | 1953 M. Diamant | 1993 S. Byrne |
| 1909 J. Hilton | 1954 W. Leonhardt | 1994 H. Barber (11) |
| 1910 E.H. Watson | 1955 P. Timoshenko | 1995 H. Barber |
| 1912 J. Sayers | 1956 W. Leonhardt | 1996 H. Barber |
| 1913 J. Hilton | 1957 P.M. Foster | 1997 S. Byrne |
| 1914 J. Hilton | 1958 W. Leonhardt | 1998 M.T. Partis |
| 1915 J. Sayers | 1959 V.W.D. Stannard | 1999 D. Dwyer |
| 1916 J. Sayers | 1960 W. Leonhardt | 2000 M. Wilkins |
| 1917 R. Woodman & E.A. Neild (3) | 1961 W. Leonhardt | 2001 M. Wilkins |
| 1918 J. Sayers | 1962 J. Rush | 2002 H. Barber |
| 1919 E.A. Brose | 1963 J. Rush | 2003 H. Barber |
| 1920 E.A. Coleman | 1964 W. Leonhardt | 2004 H. Barber |
| 1921 A.E. Morris | 1965 C. Wells | 2005 H. Barber |
| 1922 J. Sayers | 1966 W. Leonhardt | 2006 H. Barber |
| 1923 J. Sayers | 1967 M. Woodhams | 2007 T. Boyd |
| 1924 J. Sayers (4) | 1968 M. Woodhams | 2008 T. Boyd |
| 1925 A.E. Morris | 1969 M. Woodhams | 2009 T. Boyd |
| 1926 J. Sayers | 1970 H. Barber (6) | 2010 T. Hare |
| 1927 J. Sayers | 1971 J. Raudzins (7) | 2011 Y. Choong |
| 1928 L. Younkman | 1972 W. Leonhardt | 2012 Y. Choong |
| 1930 J. Sayers | 1973 R. Lilly | 2013 T. Boyd |
| 1931 B.W. Stenhouse | 1974 R. Lilly | 2014 Y. Choong |
| 1935 A.C. Harris | 1975 D. Ellis & J. Finkelstein (8) | 2015 Y. Choong |
| 1936 G. Lindgren | 1976 W.Ballantyne | 2016 Y. Choong |
| 1937 M.E. Goldstein | 1977 R. DiRenzo (7) | 2017 I. Butsenko |
| 1938 M.E. Goldstein | 1978 D. Ellis | 2018 S. Kurniawan |
| 1939 E. Stannard | 1979 D. Ellis | 2019 T. Boyd (12) |
| 1940 G. Lindgren | 1980 R.J. Cooper | 2020 P. Gong |
| 1941 G. Lindgren | 1981 M.T. Partis | 2021 J. Laubbacher |
| 1942 G. Lindgren | 1982 W.Ballantyne | 2022 P. Gong |
| 1943 G. Lindgren | 1983 J-G. Estiot | 2023 P. Gong |
| 1944 G. Lindgren | 1984 C. Kinsman & A. Regan (9) | 2024 D. Shen |
Notes
(1) Later Sir Hal Colebatch.
(2) Later Champion of Australia.
(3) Challenge match.
(4) There was a challenge match in 1924 between J. Sayers and L. Younkman, won by Younkman,
but it is not clear whether this was for the championship.
(5) Name changed from Lindgren.
(6) H. Barber won play-off 3-0 against K. Hoff.
(7) M. T. Partis won but was ineligible for the title.
(8) After 4 game play-off.
(9) After 4 way double round play-off between:
C. Kinsman 3.5/6, A. Reagan 3.5/6, D. Ellis 3.0/6 & S. Dibdin 2.0/6.
(10) H. Barber tied with J. Simpson but a play-off match unable to be organised as H. Barber left W.A.
(11) H. Barber won play-off 3-1 against S. Byrne.
(12) T. Boyd won play-off 1.5-0.5 against I. Ferozkohi.
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State Reserves Champions
| 1961 K. Grinfeld | 1984 B. Gaslevich | 2005 Y. Choong |
| 1962 N. Doig | 1985 G. Dunlop & J. Steinbock | 2006 G. Dunlop |
| 1963 M. Carter | 1986 J. Aquilina & L. Escalante | 2007 D. Holland |
| 1964 M. Woodhams | 1987 D. Walker | 2008 G. Viswanath |
| 1965 R. Johnstone | 1988 S. Gethin & S. Broad | 2009 D. Holland |
| 1966 B. Hoff | 1989 G. Dunlop | 2010 J. Fedec |
| 1967 R. Bailey | 1990 G. Dunlop | 2011 D. Holland |
| 1968 P. Browning | 1991 Eu Jin Teh | 2012 N. Maris |
| 1969 A. Blue | 1992 G. Dunlop & Eu Jin Teh | 2013 G. Dunlop & N. Maris (1) |
| 1972 C. Kinsman & A. Wasser | 1993 J. Field & A. Chin | 2014 N. Maris (2) |
| 1973 B. Hanowski | 1994 E.J. Teh | 2015 K. Hardegen |
| 1974 P. Hruby | 1995 Z. Davison | 2016 A. Janceski & R. Rathnayake |
| 1975 J. Novak | 1996 R. Maris | 2017 C. Kinsman |
| 1976 D. Wallwork | 1997 D. Dempster | 2018 A. Wolstencroft |
| 1977 P. Hruby | 1998 P. Roza | 2019 D. Andador |
| 1978 S. Piscopo | 1999 R. Galvin | 2020 Y. (Rebo) Fu |
| 1979 J.E. Fletcher & A. Wasser | 2000 P. Rados | 2021 W. Stassen (3) |
| 1980 C. Kinsman | 2001 A. Kuklinski | 2022 R.G. Teh |
| 1981 G. Anderson | 2002 N. Mills | 2023 D. King (4) |
| 1982 M. Curtis | 2003 P. Rados | 2024 O. Gao |
| 1983 G. Anderson | 2004 G. Dunlop |
Notes
(1) Rating limit was lifted to 1950
(2) Natalie Maris won 2 game playoff against Kathryn Hardegen
(3) After 4 way double round play-off between:
Walter Stassen 5.5/6, Kundan Dharmapuri & Derek Elkington 2.5/6 and Tjermin Gunawan 1.5/6
(4) After 4 way double round play-off between:
David King 4.0/6, Dominador Andador & Kathryn Hardegen 3.5/6 and Dylan Gough 1.0/6
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State Allegro Champions
| 1981 S. Byrne | 1996 D. Ellis | 2011 T. Donaldson & A. Taminsjah |
| 1982 S. Byrne | 1997 H. Barber | 2012 M. Vlietstra |
| 1983 J. Simpson | 1998 B. Mandic | 2013 I. Ferozkohi |
| 1984 J. Simpson | 1999 M. Wilkins | 2014 T. Boyd |
| 1985 J. Simpson | 2000 M. Wilkins | 2015 T. Boyd & Y. Choong |
| 1986 D. Ellis | 2001 M. Wilkins | 2016 P. Gong |
| 1987 M. Partis | 2002 M. Partis | 2017 T. Boyd |
| 1988 J. Simpson | 2003 B. McCamon & M. Partis | 2018 T. Kuybokarov |
| 1989 M. Partis | 2004 A. Janceski | 2019 T. Kuybokarov |
| 1990 H. Barber | 2005 T. Boyd | 2020 T. Kuybokarov |
| 1991 H. Barber | 2006 M. Partis | 2021 J. Laubbacher |
| 1992 H. Barber | 2007 M. Horstmann | 2022 P. Gong |
| 1993 H. Barber | 2008 M. Horstmann | 2023 P. Gong |
| 1994 M. Partis & E. Teh | 2009 S. Kurniawan | 2024 P. Gong |
| 1995 D. Ellis | 2010 M. Horstmann |
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State Blitz Champions
| 1972 Z. Grinfelds | 1990 L. Pang | 2008 T. Boyd |
| 1973 C. Kinsman | 1991 H. Barber & M. Partis | 2009 T. Boyd |
| 1974 D. Ellis & T. McMillan | 1992 H. Barber | 2010 B. Mandic |
| 1975 A. Stewart | 1993 M. Partis | 2011 S. Kurniawan |
| 1976 W. Ballantyne | 1994 S. Byrne | 2012 T. Boyd & G. Viswanath |
| 1977 A. Stewart | 1995 M. Partis & H. Suryadinata | 2013 Y. Choong |
| 1978 P. Trachsel | 1996 B. Mandic & M. Wilkins | 2014 Y. Choong |
| 1979 P. Trachsel | 1997 B. Mandic | 2015 I. Ferozkohi |
| 1980 P. Trachsel | 1998 B. Mandic | 2016 I. Ferozkohi & P. Gong |
| 1981 S. Byrne | 1999 B. Mandic | 2017 T. Boyd |
| 1982 M. Partis | 2000 B. Mandic | 2018 T. Kuybokarov |
| 1983 M. Partis | 2001 M. Wilkins | 2019 I. Ferozkohi |
| 1984 N. Khan | 2002 M. Partis | 2020 P. Gong |
| 1985 J. Simpson | 2003 T. Boyd | 2021 P. Gong |
| 1986 J. Simpson | 2004 B. Mandic | 2022 T. Kuybokarov |
| 1987 J. Simpson | 2005 T. Boyd | 2023 P. Gong |
| 1988 J. Simpson | 2006 Y. Choong | 2024 Y. (Rebo) Fu |
| 1989 L. Pang | 2007 T. Boyd |
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State Seniors Champions
| 2013 D. Ellis (1) | 2019 A. Wolstencroft |
| 2014 A. Saleh | 2020 T. Hare (3) |
| 2015 G. Dunlop (2) | 2021 C. Kinsman |
| 2016 A. Janceski | 2022 T. Hare (4) |
| 2017 C. Kinsman & N. Tomic | 2023 T. Hare |
| 2018 C. Kinsman | 2024 D. Elkington |
Notes (1) First awarded at the 2013 WA Open (2) Gordon Dunlop won a 3 way playoff against Robin Shaw & Akef Saleh (3) Tim Hare won a double round-robin playoff against Craig Kinsman & Marcus Simonds (4) Tim Hare won a playoff 2-0 against Tjermin Gunawan |
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State Juniors Champions
| 1963 M. J. Doig | 1984 A. Silver | 2005 M. Haselgrove |
| 1964 M. Woodhams | 1985 A. Silver | 2006 Y. Choong |
| 1965 M. Woodhams | 1986 G. Soto-Olivo | 2007 S. Balaji |
| 1966 A. Pope | 1987 J. Field | 2008 R. Sam |
| 1967 K. Hoff | 1988 C. Mulley | 2009 C. Boni |
| 1968 S. Fitzpatrick | 1989 A. Chin & C. Mulley | 2010 R. Sam |
| 1969 J. Longwood | 1990 A. Chin | 2011 T. Pinnock |
| 1970 R. Cooper | 1991 T. Farber & Eu-Jin Teh | 2012 T. Pinnock |
| 1971 R. Butcher | 1992 P. Dell | 2013 G. Carolin-Unkovich |
| 1972 R. Cooper | 1993 Eu-Jin Teh | 2014 J. Williams & I. Yap |
| 1973 R. Di Renzo | 1994 Eu-Jin Teh | 2015 I. Yap |
| 1974 R. Di Renzo | 1995 D. Dwyer | 2016 I. Yap |
| 1975 M. Segal | 1996 T. Boyd & M. Wilkins | 2017 B. Geronimo |
| 1976 M. Segal | 1997 R. Galvin | 2018 B. Geronimo |
| 1977 S. Byrne | 1998 T. Boyd | 2019 S.K.K. Dharmapuri |
| 1978 J. Storey | 1999 L. Taylor | 2020 Y. (Rebo) Fu |
| 1979 S. Byrne | 2000 A. Hardegen | 2021 J. Laubbacher |
| 1980 S. Byrne | 2001 A. Hardegen | 2022 Y. (Rebo) Fu |
| 1981 J. Willock | 2002 Z. Wang | 2023 I. Hernandez Mendez |
| 1982 M. Kueh | 2003 Z. Wang | 2024 A. Balavignan |
| 1983 K. Metcalf | 2004 G. Viswanath |
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State Women & Girls Champions
| Women | Girls |
| 1991 | Christine D'Souza | |
| 1992 | P. Dell | |
| 1993 | P. Dell | |
| 1994 | Christine D'Souza | |
| 1995 | Mary-Jo Fagan | Betty-Jo D'Souza |
| 1996 | Louise Bosnyak | Natalie Taylor |
| 1997 | Louise Bosnyak | Natalie Taylor |
| 1998 | Natalie Taylor | Helena Choi |
| 1999 | Natalie Taylor | Helena Choi |
| 2000 | Natalie Taylor | Helena Choi |
| 2001 | Natalie Taylor | Angela Choi |
| 2002 | Natalie Mills & Sophie Payne | Kelly Cassidy |
| 2003 | Natalie Taylor | Kelly Cassidy |
| 2004 | Anna Usikov | Ruby Avis |
| 2005 | Natalie Maris (1 & 2) | Nanthilda Ang (3) |
| 2006 | not played | Verity Williams (3) |
| 2007 | Verity Williams (2) | Verity Williams (3) |
| 2008 | Veronica Williams (2) | Verity Williams (3) |
| 2009 | Veronica Williams (4) | Amy Brown (3) |
| 2010 | Noelle Martin (5) | Amy Brown (3) |
| 2011 | Natalie Maris (4) | not awarded |
| 2012 | Natalie Maris (4) | not awarded |
| 2013 | Aileen Fisher (4) | not awarded |
| 2014 | Natalie Maris (6) | not awarded |
| 2015 | Kathryn Hardegen (2) | not awarded |
| 2016 | Natalie Maris (2) | Safiyya Aljunied (3) |
| 2017 | Natalie Maris (7) | Celine Ong (3) |
| 2018 | Natalie Maris (2) | Celine Ong (3) |
| 2019 | Kathryn Hardegen (8) | Celine Ong (3) |
| 2020 | Kathryn Hardegen (2) | Celine Ong & Emily Zhang (3) |
| 2021 | Kathryn Hardegen (2) | Celine Ong (3) |
| 2022 | Celine Ong (9) | Celine Ong (3) |
| 2023 | Kathryn Hardegen | Paula Gruber (3) |
| 2024 | Kathryn Hardegen (10) | Kobe Wu (3) |
Notes (1) Formerly Natalie Taylor. (2) Highest finisher in State Championship (3) Highest finisher in State Junior Championship (4) Highest finisher in WA Open (5) Highest finisher in WA Qualifying (6) Natalie Maris won 2 game playoff against Kathryn Hardegen (7) Highest finisher in Reserves State Championship (8) Kathryn Hardegen won a 2 game playoff against Celine Ong (9) Celine Ong won a 2 game playoff against Kathryn Hardegen (10) Kathryn Hardegen (4.0) won a 3 player double round-robin playoff against Kobe Wu (1.5) & Nithuli Liyanage (0.5) |
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State Championship & Reserves Best Games
| State Championship Hanimex Cup |
State Reserves Pergamon Cup |
| 1987 | Bill Ballantyne | Phil Lucas |
| 1988 | Steve Pezet | Reg Massey |
| 1989 | Bill Ballantyne | Lyle Palmer |
| 1990 | Haydn Barber | S. Cooper |
| 1991 | Haydn Barber | Eu Jin Teh |
| 1992 | Robert Rozycki | Sulyn Teh |
| 1993 | David Ellis | Jason Field |
| 1994 | David Ellis | Paul Whitehead |
| 1995 | David Ellis | Peter Roza |
| 1996 | Dem Nisbet | Peter Roza |
| 1997 | Mike Partis | Robin Shaw |
| 1998 | Tristan Boyd | no award |
| 1999 | Danny Dwyer | no award |
| 2000 | David Ellis | no award |
| 2001 | Jay Lakner | no award |
| 2002 | Steven Phillip | Natalie Mills |
| 2003 | Haydn Barber | no award |
| 2004 | Haydn Barber | Sophie Payne |
| 2005 | David Ellis | Stephanus Kurniawan |
| 2006 | Tristan Boyd | Dennis Holland |
| 2007 | Tristan Boyd | Ryan Sam |
| 2008 | Haydn Barber | Ganesh Viswanath |
| 2009 | Eddy Seah | Steve Mijailovic |
| 2010 | Tim Hare | John Fedec |
| 2011 | Yita Choong | Dennis Holland |
| 2012 | Yita Choong | no award |
| 2013 | Haydn Barber | Natalie Maris |
| 2014 | David Ellis | Natalie Maris |
| 2015 | Robin Shaw | Natalie Maris |
| 2016 | Igor Butsenko | Natalie Maris |
| 2017 | Derwent Maggs | Craig Kinsman |
| 2018 | Stephanus Kurniawan | Alan Wolstencroft |
| 2019 | Tristan Boyd | Oscar Gao |
| 2020 | no award | no award |
| 2021 | no award | no award |
| 2022 | no award | no award |
| 2023 | no award | no award |
| 2024 | Daniel Shen & Victor Spirin (shared) | Hui Huang |