Event: All Play All

Opponent Rating Result
Robin J Cubbon 1105 1 - 0
Steve K Dean 1828 0 - 1
Clifford H Walker 1490 0 - 1
Ian Gregory 1916 ½ - ½
Barry Perchard 1509 0 - 1
Peter W Leask 1174 0 - 1
Nicolas Bacon 1877 0 - 1
William F Harris 1592 0 - 1
Clifford H Walker 1500 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1288 = (13991 + 400 * (1 - 7)) / 9)

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