Event: Baum Trophy summer league

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Opponent Rating Result
Colin R Ramage 1896 ½ - ½
Tu Senan 1574 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1535 = (3470 + 400 * (0 - 1)) / 2)

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Opponent Rating Result
Ashley Freeman 1879 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1479 = (1879 + 400 * (0 - 1)) / 1)

Opponent Rating Result
Alfie Green 1435 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1835 = (1435 + 400 * (1 - 0)) / 1)