Event: Club Championship Div 3

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Opponent	Rating	Result
Malcolm Green	1254	0 - 1
Philip Grocott	1313	0 - 1
Steve Ballantyne	1359	½ - ½

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

1042 = (3926 + 400 * (0 - 2)) / 3)