Tinsley

In 1992, Marion Tinsley (1927-1995), the seemingly unbeatable World Checker Champion, defended his title against the computer program CHINOOK, in a series of games, of which he won 4, lost 2, and drew 33. This was the first time ever that a human world champion defended his title against a computer.

Tinsley Yard in Sheffield was once one of the largest and most advanced 'hump' marshalling yards in the world. But a decline in wagonload freight led to its swift demise and much of the site has lain derelict since the 1980s. MICHAEL RHODES examines this rise and fall in Tinsley's fortunes, and the new lease of life it has been offered by rising container traffic