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Jonathan Mestel

Full name Andrew Jonathan Mestel
Country England
Born 13 March 1957
Cambridge, England
Title Grandmaster
World Champion World Cadet Champion 1974, World Solving Champion 1997
Peak rating 2540 (January 1984)

Andrew Jonathan Mestel (born 13 March 1957 in Cambridge, England) is Professor of Applied Mathematics at Imperial College London. He works on magnetohydrodynamics and biological fluid dynamics. He obtained his Ph.D. with the thesis "Magnetic Levitation of Liquid Metals" at University of Cambridge.

A distinguished chess player, he was the first person to be awarded chess Grandmaster titles by FIDE in both over-the-board play and problem solving. He has also represented England at contract bridge.

He announced his arrival on the international chess scene by winning the World Cadet Championship in 1974 at Pont-Sainte-Maxence. The same year, he nearly won the British Chess Championship, figuring in a seven-way play-off at Clacton, but failing to clinch the title at the last hurdle. Playing in Tjentiste in 1975, he took the bronze medal at the World Junior Championship, finishing behind Valery Chekhov and Larry Christiansen. There followed a string of British Championship successes, where he took the title in 1976, 1983 and 1988. His victory at Portsmouth in 1976 was remarkable for a start of nine consecutive wins, a record for the competition.

Along the way, Mestel was awarded the Grandmaster (GM) title in 1982 and became a Chess Solving Grandmaster and the World Chess Solving Champion in 1997. With fellow GM John Nunn, he is a medal-winning member of the British Chess Solving Team.

Between 1976 and 1988, he was a frequent member of the English Chess Olympiad squad, winning three team medals (two silver and one bronze). In 1984, he earned an individual gold medal for an outstanding (7/9, 78%) performance on his board. Other notable results for English teams occurred in 1978 at the World Student Olympiad in Mexico and at the 1983 European Team Chess Championship in Plovdiv. Both of these events yielded gold-medal winning performances, the latter being exceptional for the highest percentage score (6/7, 85%) on any board. As a player of league chess, he has been a patron of the 4NCL since its earliest days and represented The Gambit ADs in the 2008/9 season.

In international tournaments, his best early result was second equal at London 1977, with Miguel Quinteros and Michael Stean, after Vlastimil Hort. There were also good results at Esbjerg, where he won the North Sea Cup in 1979 (with Laszlo Vadasz) and finished with a share of second in 1984 (after Nigel Short, with Lars Karlsson). At Marbella in 1982, he was the co-winner of a zonal tournament, with Nunn, Stean and John van der Wiel. At Hastings, there were good results in 1977/78 (a share of fifth in a strong field) and in 1983/84, when he shared third place (after joint winners Karlsson and Jon Speelman).

Aside from his mainstream academic and chess activities, he wrote the mainframe computer game Brand X with Peter Killworth, which was later rewritten for Windows and released commercially as Philosopher's Quest.

Better known by his middle name, Jonathan, he is the son of astronomer Leon Mestel and has been married since 1982 to Anna O´Donovan. They have one son, David Mestel, born February 1992.