Event: Max 480

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Opponent Rating Result
Leigh Astley 90 1 - 0
Wendell S Rawlings 109 0 - 1
Leigh Astley 90 1 - 0
Wendell S Rawlings 109 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

200 = (398 + 400 * (2 - 1)) / 4)

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