Event: 1st Cornwall Online Summer Rapidplay

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Opponent Rating Result
John James 1254 1 - 0
John DM Nunn 2562 0 - 1
Trevor Palmer 0 0 - 1
Bryan Jones 1507 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1331 = (5323 + 400 * (2 - 2)) / 4)

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