Event: Hammersmith Sledgehammer Cup

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Opponent	Rating	Result
Gaston Franco	1965	0 - 1
Nicholas Elliott	0	0 - 1
K Aditya Patel	1529	1 - 0

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

1031 = (3494 + 400 * (1 - 2)) / 3)