Event: Graded LP Friendlies

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Opponent	Rating	Result
Tom Smith	1450	0 - 1
Pawel Stanny	1393	0 - 1
James Marshall	1531	0 - 1

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

1058 = (4374 + 400 * (0 - 3)) / 3)