Event: Division Four

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Opponent Rating Result
Paul Silverman 1525 0 - 1
Mike J Hollier 1833 0 - 1
Gavin Maciel 1750 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1436 = (5108 + 400 * (0 - 2)) / 3)

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