Event: Division 2 West

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Opponent Rating Result
EW Cole 119 1 - 0
Peter R Turner 110 ½ - ½
Peter R Turner 110 1 - 0
Simon W Gray 106 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

211 = (445 + 400 * (2 - 1)) / 4)

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