The Luzhin Defence

23 April 1899, St. Petersburg, Russian Empire [now Russia]

14 September 1934, Yorkshire, England, UK

9 April 1931, Florence, Tuscany, Italy

8 February 1957, Athlone, County Westmeath, Ireland

27 January 1967, Budapest, Hungary

6 July 1950, Maidenhead, Berkshire, England, UK

1969, Grimsby, England, UK

14 January 1967, Islington, London, England, UK

12 October 1954, Castelfranco Veneto, Veneto, Italy