Event: Division 2 East

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Opponent Rating Result
Andrew C Cooper 174 ½ - ½
Gerry N Jepps 156 0 - 1
Gerry N Jepps 156 0 - 1
John A Fisher 120 1 - 0
Derek Rothwell 136 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

68 = (742 + 400 * (1 - 2)) / 5)

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