Event: Worcestershire Championship League

Opponent Rating Result
Daniel M Lambourne 2038 ½ - ½
John P Wrench 1947 1 - 0
Joseph D Friar 2058 ½ - ½
Stephen D Mellor 2083 ½ - ½
Peter R Kitson 2039 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2193 = (10165 + 400 * (2 - 0)) / 5)

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