Event: Division 2

Opponent Rating Result
Andy Ward 1907 ½ - ½
Chris John Evans 1837 1 - 0
Danut Joian 1915 0 - 1
Jonathan Dale 1926 ½ - ½
Danut Joian 1937 ½ - ½
Philip RC Wood 1807 1 - 0
Mal Waddell 1813 1 - 0
Anthony Sadler 1809 ½ - ½
Paul J Colburn 1966 0 - 1
Jonathan Dale 1908 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1883 = (18825 + 400 * (3 - 3)) / 10)

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