Event: Division 2

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Opponent	Rating	Result
James Perks	1278	1 - 0
Mike Peers	1429	½ - ½
Albert Chacko	1275	1 - 0

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1594 = (3982 + 400 * (2 - 0)) / 3)