Event: Ladder

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Opponent Rating Result
Mark Cox 0 1 - 0
Philip Crompton 0 1 - 0
David W Bennett 0 1 - 0
Hector Glyn-Jones 0 1 - 0
Mark Cox 0 1 - 0
Mark Cox 0 1 - 0
Mark Cox 0 1 - 0
Mark Cox 0 1 - 0
Mark Cox 0 1 - 0
Don Banks 0 1 - 0
Philip Crompton 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

400 = (0 + 400 * (11 - 0)) / 11)

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