Event: SCCU County Championship: Open

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Opponent Rating Result
Gwilym T Price 2125 ½ - ½
Neil R McDonald 2433 0 - 1
John R Richardson 2365 1 - 0
Dimitar Mogilarov 2155 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2170 = (9078 + 400 * (1 - 2)) / 4)

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