Event: Lowestoft Championship

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Opponent Rating Result
James E Payne 1628 0 - 1
Barry Connor 1645 0 - 1
Keith Garrod 1351 1 - 0
Graham K Blowers 1741 0 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1408 = (4624 + 400 * (1 - 2)) / 3)

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