Event: The Chess Centre - Rated Friendlies - RP

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Opponent	Rating	Result
Toby Black	633	1 - 0
Hermes Li	590	1 - 0
Yaroslav Pimenov	0	1 - 0

performance = (sum(opponents ratings) + 400(wins-losses)) / games

808 = (1223 + 400 * (3 - 0)) / 3)