Event: All Play All

Opponent Rating Result
Clifford H Walker 1484 1 - 0
Michael Williams 1383 0 - 1
Tim Fox 1359 ½ - ½
Barry Perchard 1509 1 - 0
Patrick Dillon 1659 1 - 0
Peter W Leask 1174 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1628 = (8568 + 400 * (4 - 1)) / 6)

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