Event: Division 4

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Opponent	Rating	Result
Krishna Patel	1383	1 - 0
David Budd	1485	1 - 0
James Meadows	1430	0 - 1

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

1566 = (4298 + 400 * (2 - 1)) / 3)