Event: Rosser Rapid

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Opponent Rating Result
Trevor D Coote 2003 0 - 1
Malcolm P Kingsley 1805 0 - 1
Alex Bloomfield 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1136 = (3808 + 400 * (1 - 2)) / 3)

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