Event: Division B

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Opponent Rating Result
Ken Lawson 1442 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1042 = (1442 + 400 * (0 - 1)) / 1)

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Opponent Rating Result
Patrick N Coleman 1511 0 - 1
Graham Smith 1450 0 - 1
John Regan 1510 1 - 0
Gary P Fairclough 1450 0 - 1
Graham Smith 1450 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1234 = (7371 + 400 * (1 - 4)) / 5)