Event: 4th Simon Bartlett Memorial Open

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Opponent Rating Result
Paul A Aston 0 ½ - ½
Ian M Clarke 0 ½ - ½
Ian C Clark 0 ½ - ½
Stephen P Dilleigh 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

100 = (0 + 400 * (1 - 0)) / 4)

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