Event: Division 2

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Opponent Rating Result
Christopher Taylor 1447 1 - 0
James Meredith 0 1 - 0
Nigel Yates 1386 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1344 = (2833 + 400 * (3 - 0)) / 3)

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Opponent Rating Result
Stuart R Acton 1283 1 - 0
Alex Jamieson 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

642 = (1283 + 400 * (1 - 1)) / 2)