Event: Examiner League

Opponent Rating Result
Andrew Batley 1480 ½ - ½
Hamidreza Faham 0 1 - 0
Awen Gitay 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

760 = (1480 + 400 * (2 - 0)) / 3)

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