Event: Under 19 Region 8 (rapidplay)

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Opponent Rating Result
Greg Seekings 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

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

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Opponent Rating Result
Percy Godfrey 53 1 - 0
Samino Fernando 129 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

91 = (182 + 400 * (1 - 1)) / 2)