Event: Division One

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Opponent Rating Result
Tim M Joslin 156 ½ - ½
Richard Black 188 ½ - ½
John Reid 211 0 - 1
Miroslaw Walkusz 188 1 - 0
Bajrush Kelmendi 188 1 - 0
John R Richardson 210 0 - 1
Sacha Brozel 206 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

250 = (1347 + 400 * (3 - 2)) / 7)

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