Event: Lewisham Summer Cup

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Opponent	Rating	Result
Rudy Padovan	1828	0 - 1
Kenroy Smith	1641	0 - 1
David M Rogers	1672	0 - 1

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

1314 = (5141 + 400 * (0 - 3)) / 3)