Event: 4-Board Division 1

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Opponent Rating Result
Daniel W Hill 109 0 - 1
Ian Scott 109 ½ - ½
Peter T Perkins 120 1 - 0
Steve Donoghue 75 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

203 = (413 + 400 * (2 - 1)) / 4)

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