Event: Division 2

Opponent Rating Result
Simon Turner 1778 0 - 1
Jonathan Dale 1888 0 - 1
Keith R Ingram 1834 1 - 0
Trevor J Holt 1787 0 - 1
Paul Rowan 1919 1 - 0
Ed H Goodwin 1834 0 - 1
Mal Waddell 1815 1 - 0
Paul Rowan 1877 0 - 1
Robert Reynolds 1809 ½ - ½
Philip RC Wood 1791 0 - 1
Mal Waddell 1838 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1725 = (20170 + 400 * (3 - 6)) / 11)

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