Event: 4-board Division 3

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Opponent Rating Result
John Burton 1267 1 - 0
Nazar Kusiumov 1350 0 - 1
Andy Booth 1000 1 - 0
Paddy McLeary 1200 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1204 = (4817 + 400 * (2 - 2)) / 4)

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