Event: Division 2

Opponent Rating Result
Andrew P Lewis 2283 ½ - ½
Dmytro Nikolaienko 2125 1 - 0
Andrew M Pridding 2188 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2199 = (6596 + 400 * (1 - 1)) / 3)

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