Event: Essex Summer Rapid Plate

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Opponent	Rating	Result
Josue Estevez Fernandez	1868	0 - 1
Josue Estevez Fernandez	1868	0 - 1

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

1468 = (3736 + 400 * (0 - 2)) / 2)