Event: Division 3

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Opponent	Rating	Result
Tom Trevena	1293	1 - 0
Stephen Smithson	1323	½ - ½
Keith Milner	1150	1 - 0

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

1522 = (3766 + 400 * (2 - 0)) / 3)