Event: All Play All

Opponent Rating Result
Martyn W Adams 1690 ½ - ½
William F Harris 1666 0 - 1
Steven Martin 1970 0 - 1
Peter W Leask 1170 1 - 0
Steven Martin 1977 0 - 1
Clifford H Walker 1525 0 - 1
Peter W Leask 1183 1 - 0
Patrick Dillon 1600 0 - 1
Clifford H Walker 1531 ½ - ½
Barry Perchard 1481 0 - 1
Robin J Cubbon 1069 1 - 0
Martyn W Adams 1714 ½ - ½
Patrick Dillon 1604 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1460 = (20180 + 400 * (3 - 6)) / 13)

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