Event: Division 2

Opponent Rating Result
Ray Rushworth 0 1 - 0
Ray Rushworth 0 1 - 0
Keith Melling 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

267 = (0 + 400 * (2 - 0)) / 3)

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Opponent Rating Result
Keith Melling 0 ½ - ½
Keith Jones 0 0 - 1
Eric Mansfield 0 1 - 0
John Moxham 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

100 = (0 + 400 * (2 - 1)) / 4)