Event: Division 3

Opponent Rating Result
John M Walker 1533 0 - 1
Jack Pilley 1500 0 - 1
Michael A snr Garland 1510 0 - 1
Michael A jnr Garland 1623 1 - 0
Paul Gray 1608 1 - 0
Anthony D Robinson 1473 0 - 1
Michael A jnr Garland 1623 0 - 1
Matthew J Connor 1630 0 - 1
Roy J Gurney 1405 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1323 = (13905 + 400 * (2 - 7)) / 9)

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