Event: WDCL Division 3

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Opponent Rating Result
Jack Perrin 1656 0 - 1
David Cottrell 1325 0 - 1
John Reyes 1601 ½ - ½
David Clements 1067 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1312 = (5649 + 400 * (1 - 2)) / 4)

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