Event: 4-Board Division 2

Opponent Rating Result
Keith Thompson 162 0 - 1
Tim M Turner 167 1 - 0
George A Darling 160 0 - 1
R Malcolm Hara 126 1 - 0
Mark S Bettley 121 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

227 = (736 + 400 * (3 - 2)) / 5)

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