Event: 4-Board Division 2

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Opponent Rating Result
Richard Atkinson 114 0 - 1
William I Wright 110 1 - 0
Michael Bangura 86 1 - 0
Steve Tomlinson 102 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

303 = (412 + 400 * (3 - 1)) / 4)

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