Event: Division 3

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Opponent Rating Result
Adamjeet Singh 1534 0 - 1
Yahya Durani 1427 0 - 1
Dave Sykes 1543 0 - 1
Bill Tait 1664 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1142 = (6168 + 400 * (0 - 4)) / 4)

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