Event: Watkinson League

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Opponent Rating Result
Stuart Oliver 0 ½ - ½
Jonathan Moreton 112 1 - 0
Mark Rojinsky 0 1 - 0
Dave Gray 156 1 - 0
Dean Hepworth 109 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

395 = (377 + 400 * (4 - 0)) / 5)

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