Event: Summer Swiss

Opponent Rating Result
David Gamble 1428 ½ - ½
John G Cooper 1931 0 - 1
RYAN SEDDON 1450 1 - 0
RICHARD HYMAN 0 1 - 0
David E Aspinall 1733 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1468 = (6542 + 400 * (3 - 1)) / 5)

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