Event: Ramsgate Summer Swiss

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Opponent Rating Result
Chris F Stampe 127 0 - 1
Bob Wallace 100 0 - 1
Brian W Williamson 93 0 - 1
John L Clarke 92 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-297 = (412 + 400 * (0 - 4)) / 4)

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