Event: 4-Board Division 2

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Opponent Rating Result
Tim M Turner 167 0 - 1
Dave M Cooper 121 1 - 0
Joe Varley 156 0 - 1
David G Mills 136 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

45 = (580 + 400 * (1 - 2)) / 4)

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