Event: B&DCL Div 2

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Opponent Rating Result
Peter Austin 1661 ½ - ½
Stephen Bolton 1770 ½ - ½
Robert Powell 1632 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1688 = (5063 + 400 * (0 - 0)) / 3)

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