Event: All Play All

Opponent Rating Result
Jonathan Boxall 0 0 - 1
William F Harris 1664 0 - 1
Steven Martin 1983 0 - 1
Clifford H Walker 1506 0 - 1
Barry Perchard 1469 0 - 1
Patrick Dillon 1642 0 - 1
Thomas Overthrow 1576 0 - 1
Steven Martin 1983 0 - 1
Peter W Leask 1153 0 - 1
Brian Stephenson 1443 0 - 1
Barry Perchard 1431 0 - 1
Brian Stephenson 1441 0 - 1
Patrick Dillon 1678 0 - 1
Thomas Overthrow 1567 0 - 1
William F Harris 1657 0 - 1
Peter W Leask 1175 1 - 0
Clifford H Walker 1493 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1133 = (24861 + 400 * (1 - 15)) / 17)

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