Event: Division Three

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Opponent Rating Result
Arina Shkolnikova 1244 0 - 1
Martin Lake 1459 0 - 1
Paul McCauley 1485 0 - 1
Stephen T Welch 1429 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1004 = (5617 + 400 * (0 - 4)) / 4)

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