Event: Division 3

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Opponent Rating Result
Adrian Cload 134 1 - 0
Stephen D Blewitt 159 0 - 1
Robert Kyle 93 1 - 0
J Chris Baldry 79 ½ - ½
Guy Turvey 99 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

113 = (564 + 400 * (2 - 2)) / 5)

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