Event: 1st Cornwall Online Summer Rapidplay

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Opponent Rating Result
Beatrice H Steele 1671 ½ - ½
John James 1254 1 - 0
Trevor Palmer 0 0 - 1
Christine F Constable 1563 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1022 = (4488 + 400 * (1 - 2)) / 4)

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