Event: 54th Cotswold Major

Opponent Rating Result
Nick D Holmes 1553 1 - 0
Clinton A Wells 2022 ½ - ½
William Yu 1527 0 - 1
David Short 1696 0 - 1
Robert Lacey 1565 ½ - ½
Dave J Williams 1650 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1602 = (10013 + 400 * (1 - 2)) / 6)

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