Event: NCCA League Division 2

Opponent Rating Result
David J Twitchell 1877 ½ - ½
Trevor J Ansell 1903 0 - 1
David J Twitchell 1849 1 - 0
Les G Gladwell 1637 1 - 0
Armando Galletti 1796 1 - 0
Edward T King 1646 1 - 0
Chris Flynn 1580 0 - 1
Robert E Rickard 1761 1 - 0
Biran S Shah 1808 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1851 = (15857 + 400 * (5 - 3)) / 9)

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