Event: Division 3

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Opponent Rating Result
Paul N Kington 1751 0 - 1
Zoe Pellatt 0 0 - 1
Derek Cosens 1605 0 - 1
Ben Short 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

439 = (3356 + 400 * (0 - 4)) / 4)

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