Event: Division C

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Opponent Rating Result
Peter Wallace 1421 0 - 1
Robert Hart 1657 0 - 1
John A Crompton 1450 1 - 0
Alex Porter 1503 0 - 1
Richard Smith 1459 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1258 = (7490 + 400 * (1 - 4)) / 5)

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Opponent Rating Result
Terence Murtagh 1309 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1709 = (1309 + 400 * (1 - 0)) / 1)