Event: League Division Two

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Opponent Rating Result
Roy Thomas 102 1 - 0
Tom Devlin 106 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

104 = (208 + 400 * (1 - 1)) / 2)

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Opponent Rating Result
David W Adam 139 0 - 1
David Summerland 103 0 - 1
Adam Greener 0 1 - 0
James P Collier 119 0 - 1
Peter Saunders 111 1 - 0
Matthew Dowell 94 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

28 = (566 + 400 * (2 - 3)) / 6)