Event: YJCA Summer series Event 2 Championship

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Opponent Rating Result
Sachin Ragu 1281 ½ - ½
Aryan Nalawade 1274 0 - 1
Ajay Selvan 1302 0 - 1
Zak Lipman 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

664 = (3857 + 400 * (0 - 3)) / 4)

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