Event: C Division

Opponent Rating Result
Graham Phythian 1620 1 - 0
Ian Anderson 1518 ½ - ½
Arpad Busznyak 1551 ½ - ½
Steven Press 1450 ½ - ½
Anthony E Hunt 1556 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1619 = (7695 + 400 * (1 - 0)) / 5)

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