Event: R Division

Opponent Rating Result
Declan Johnston 1397 ½ - ½
Edward Patten 1309 1 - 0
Svetlana Popova 801 1 - 0
Declan Johnston 1397 1 - 0
Edward Patten 1309 1 - 0
Svetlana Popova 801 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1502 = (7014 + 400 * (5 - 0)) / 6)

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