Event: North Norfolk Rapidplay (25|10)

Opponent Rating Result
David P Jones 1472 1 - 0
Richie Allen 1396 1 - 0
David P Jones 1450 1 - 0
Richie Allen 1337 1 - 0
Edward Hackford 1571 1 - 0
Edward Hackford 1571 0 - 1
Michael J Gibbons 1838 0 - 1
Michael J Gibbons 1838 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1659 = (12473 + 400 * (5 - 3)) / 8)

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