Event: NSDCA Division 4

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Opponent	Rating	Result
Theo Reilly	800	1 - 0
Esme A Shiers	850	0 - 1
Benjamin Juan	687	1 - 0

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

912 = (2337 + 400 * (2 - 1)) / 3)