Event: R Division

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Opponent Rating Result
David Agyemang 1352 0 - 1
Steven Roberts 1430 0 - 1
David Agyemang 1352 1 - 0
Steven Roberts 1430 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1291 = (5564 + 400 * (1 - 2)) / 4)

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Opponent Rating Result
Declan Johnston 900 1 - 0
Declan Johnston 900 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1300 = (1800 + 400 * (2 - 0)) / 2)