Event: Rapidplay - mini-league

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Opponent Rating Result
Oliver Christian 0 0 - 1
Attila Szasz 0 1 - 0
Suriya Velayudham 115 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

172 = (115 + 400 * (2 - 1)) / 3)

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