Event: All Play All

Opponent Rating Result
Steven Martin 1970 0 - 1
Steven Martin 1970 0 - 1
William F Harris 1666 0 - 1
Patrick Dillon 1603 0 - 1
Clifford H Walker 1507 0 - 1
Thomas Overthrow 1578 0 - 1
Lucas Anning 0 1 - 0
Peter W Leask 1181 0 - 1
Patrick Dillon 1592 0 - 1
Martyn W Adams 1696 0 - 1
Peter W Leask 1171 0 - 1
Brian Stephenson 1436 0 - 1
Clifford H Walker 1514 1 - 0
Martyn W Adams 1713 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1186 = (20597 + 400 * (2 - 12)) / 14)

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