Event: Library Rapidplay May

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Opponent	Rating	Result
Azaan Sharif	843	0 - 1
Matthew Hartill	840	1 - 0
Jayden Wang	947	0 - 1

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

743 = (2630 + 400 * (1 - 2)) / 3)