John Nunn
John Nunn | |
|---|---|
Nunn in 2010 | |
| Born | John Denis Martin Nunn 25 April 1955 London, England |
| Academic background | |
| Education | University of Oxford (D.Phil.) |
| Thesis | Some Problems in Algebraic Topology (1978) |
| Doctoral advisor | John Hubbuck |
| Chess career | |
| Country | England |
| Title |
|
| World Champion |
|
| FIDE rating | 2514 (March 2026) |
| Peak rating | 2630 (January 1995) |
| Peak ranking | No. 9 (January 1985) |
John Denis Martin Nunn (born 25 April 1955) is an English chess grandmaster, a three-time world champion in chess problem solving, a chess writer and publisher, and a mathematician. He is one of England's strongest chess players and was formerly in the world's top ten.