Event: OTB RuleOf6-13Jul-A

Opponent Rating Result
Terry D Whitton 1897 1 - 0
Paul R Barclay 1739 1 - 0
John Cawdery 2000 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2145 = (5636 + 400 * (2 - 0)) / 3)

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