Event: Cotswold Open

Opponent Rating Result
Robert M Ashworth 1883 1 - 0
Edward P Small 1855 ½ - ½
Nigel R Saunders 1807 0 - 1
Philip J Holt 2214 1 - 0
Anthony S Stannard 1981 1 - 0
Duncan Williams 1848 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2131 = (11588 + 400 * (4 - 1)) / 6)

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