Event: Division Five

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Opponent Rating Result
David Short 102 ½ - ½
Bill Dixon 106 1 - 0
Martin Hathaway 81 1 - 0
Daniel J Brooks 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

172 = (289 + 400 * (2 - 1)) / 4)

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