Event: R Division

Opponent Rating Result
Leo Ogilvie 1187 0 - 1
Hafsa Riaz 1159 1 - 0
John Freear 1000 1 - 0
John Freear 1000 1 - 0
Leo Ogilvie 1187 0 - 1
Barbara Farrar 950 1 - 0
Hafsa Riaz 1159 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1263 = (7642 + 400 * (5 - 2)) / 7)

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