Event: Worcestershire Championship League

Opponent Rating Result
Nigel Hosken 2095 ½ - ½
Lee Davis 2049 ½ - ½
Ray A Collett 1854 1 - 0
Marcus Walsh 1938 ½ - ½
Brian Turner 1972 ½ - ½
Gavin Cartwright 1846 ½ - ½
Stewart K Fishburne 2056 ½ - ½
Nigel Hosken 2081 1 - 0
John A Edge 2095 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2087 = (17986 + 400 * (2 - 0)) / 9)

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