Event: Kenneth Appleby (U1700)

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Opponent Rating Result
Jonathon Day 1543 0 - 1
Stuart Fortey 0 0 - 1
Hugh Thornton 1605 0 - 1
Pete Brennan 1539 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

772 = (4687 + 400 * (0 - 4)) / 4)

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