Event: OTB RuleOf6-15Sep-A

Opponent Rating Result
Terry D Whitton 170 ½ - ½
Peter A Nickals 138 1 - 0
Inder-Veer Singh 137 1 - 0
David Smith 136 1 - 0
Philip Staniland 157 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

308 = (738 + 400 * (3 - 1)) / 5)

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