Event: North Norfolk Rapidplay (25|10)

Opponent Rating Result
Michael J Gibbons 1843 0 - 1
Michael J Gibbons 1843 1 - 0
Chris Perkins 1616 1 - 0
Chris Perkins 1616 1 - 0
Jacob Mulligan 1060 0 - 1
Jacob Mulligan 1060 0 - 1
Edward Hackford 1552 ½ - ½
Edward Hackford 1552 0 - 1
Tony R Larner 1489 0 - 1
David P Jones 1339 0 - 1
David P Jones 1351 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1411 = (16321 + 400 * (4 - 6)) / 11)

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