Event: Watkinsons League

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Opponent Rating Result
Daniel Czerniuch 1333 1 - 0
Harry Carter-Sykes 1503 0 - 1
Siddhanth Goyal 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

945 = (2836 + 400 * (1 - 1)) / 3)

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