Event: 4-board Division 3

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Opponent Rating Result
Cameron Johnson 1019 0 - 1
Daniel Leigh 1250 0 - 1
Shaun Moody 1161 0 - 1
Andrew Reynolds 1262 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

873 = (4692 + 400 * (0 - 3)) / 4)

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