Event: Rosser Rapid

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Opponent Rating Result
Gavin James Hughes 1962 0 - 1
Robert JV Davies 1787 0 - 1
Michael Mason 1893 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1481 = (5642 + 400 * (0 - 3)) / 3)

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