Event: Thornaby Rapidplay Ladder

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Opponent Rating Result
Peter Townson 0 0 - 1
Geoff Mann 1350 1 - 0
Peter Townson 1859 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1203 = (3209 + 400 * (2 - 1)) / 3)

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