Event: 6-Board Division 2

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Opponent Rating Result
Tim J Barwood 60 1 - 0
Colin W Field 95 1 - 0
David P Thrun 79 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

211 = (234 + 400 * (2 - 1)) / 3)

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