Event: Division 2

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Opponent Rating Result
Peter Logan 0 0 - 1
Dave S Almond 133 0 - 1
Mark Cooper 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-89 = (133 + 400 * (1 - 2)) / 3)

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Opponent Rating Result
Keith Melling 109 0 - 1
Dominik Drag 0 0 - 1
John Pickersgill 69 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-207 = (178 + 400 * (0 - 2)) / 3)