Event: Division 2 - Weston Trophy

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Opponent Rating Result
Jim Davis 150 0 - 1
John Baker 158 ½ - ½
Peter J Hoare 130 1 - 0
Paul Lea-Kime 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

210 = (438 + 400 * (2 - 1)) / 4)

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