Event: Grand Prix 1

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Opponent	Rating	Result
Janis Petersons	1790	0 - 1
Michael Hayward	1684	0 - 1
Samuel Merchant	1531	0 - 1

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

1268 = (5005 + 400 * (0 - 3)) / 3)