Event: Wharfedale League 2022

Opponent Rating Result
Graham N Redmond 1787 0 - 1
Nicholas Waite 1405 0 - 1
Keith Marsh 1664 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1485 = (4856 + 400 * (1 - 2)) / 3)

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Opponent Rating Result
Tim Appleyard 1035 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1035 = (1035 + 400 * (0 - 0)) / 1)