Event: Neville Harper Cup

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Opponent Rating Result
Peter Forrest 0 0 - 1
Tim Wheeler 0 0 - 1
Michael A Jenkin 0 0 - 1
Michael A Jenkin 0 0 - 1
Ian Holden 0 1 - 0
Henry Neenan 0 0 - 1
Peter Thomas 0 0 - 1
Ian Holden 0 1 - 0
Michael A Jenkin 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-222 = (0 + 400 * (2 - 7)) / 9)

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