Event: Kenneth Appleby (U1700)

Opponent Rating Result
Simon Bartle 1141 1 - 0
John Grasham 1604 ½ - ½
Keith J Riach 1670 0 - 1
Samuel Rathjen 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1204 = (4415 + 400 * (2 - 1)) / 4)

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