Event: WMA Summer League Division 2

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Opponent	Rating	Result
Benjamin INF Nevett-Farman	165	0 - 1
Arnold G Kirkland	123	½ - ½
Julie C Wilson	150	1 - 0
Benjamin INF Nevett-Farman	165	0 - 1
Arnold G Kirkland	123	½ - ½
Julie C Wilson	150	½ - ½

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

79 = (876 + 400 * (1 - 2)) / 6)