Event: John Cutting Trophy

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Opponent Rating Result
Fred Cooper 1117 1 - 0
David Marsden 1494 1 - 0
Samuel Marsden 1727 0 - 1
Reginald G Pidduck 1372 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1428 = (5710 + 400 * (2 - 2)) / 4)

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