Event: Division 3 West

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Opponent Rating Result
Stephen J Smith 82 0 - 1
Alan Brinkley 76 1 - 0
Ian R Hardy 65 1 - 0
Roger Fenton 96 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

80 = (319 + 400 * (2 - 2)) / 4)

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