Event: Club Championship Div 3

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Opponent	Rating	Result
Malcolm Green	1254	½ - ½
Nathan Fourie	1308	½ - ½
Philip Grocott	1305	1 - 0

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

1422 = (3867 + 400 * (1 - 0)) / 3)