Event: NCCA League Division 2

Opponent Rating Result
Andrew JS Slough 1889 0 - 1
Darrell N Pigott 1917 ½ - ½
Bharath Klass 1766 0 - 1
Trevor J Ansell 1915 ½ - ½
Samuel Gaffney 1808 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1779 = (9295 + 400 * (1 - 2)) / 5)

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