Event: Division 3 West

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Opponent Rating Result
Robert SR Will 108 ½ - ½
Malcolm Dinham 109 ½ - ½
Roger Fenton 108 ½ - ½
Robert D Harris 109 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

109 = (434 + 400 * (0 - 0)) / 4)

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Opponent Rating Result
Paul Groves 112 0 - 1
Roger Fenton 108 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

110 = (220 + 400 * (1 - 1)) / 2)