Event: Major East

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Opponent	Rating	Result
Andrew Beadle	1548	1 - 0
Hugo Bassa	0	1 - 0
David A Varley	1803	0 - 1

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

1250 = (3351 + 400 * (2 - 1)) / 3)