Event: Division 2 Rapidplay Cup

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Opponent Rating Result
Robert L Jones 1716 1 - 0
Robert L Jones 1716 0 - 1
Les J Jones 1973 1 - 0
Les J Jones 1973 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2045 = (7378 + 400 * (3 - 1)) / 4)

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