Event: Division 2

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Opponent Rating Result
Les Johnson 1616 0 - 1
Jon Hinds 1442 0 - 1
Vivien Webster 137 0 - 1
Chris Stead 1346 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

735 = (4541 + 400 * (0 - 4)) / 4)

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