Event: 53rd Cotswold Major

Opponent Rating Result
Dave J Williams 1646 ½ - ½
Joshua Clarke 1777 0 - 1
Deio Parri 0 1 - 0
Laurence JM Tarbuck 1703 1 - 0
Kevin Winter 1775 ½ - ½
Stephen M Pollyn 1766 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1511 = (8667 + 400 * (2 - 1)) / 6)

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