Event: NCCA League Division 4

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Opponent Rating Result
Paul J Coppard 1196 0 - 1
Malcolm Clarke 1417 1 - 0
Faraz Rahman 1348 0 - 1
Tommy Mack 1500 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1165 = (5461 + 400 * (1 - 3)) / 4)

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