Event: 54th Cotswold Open

Opponent Rating Result
Bruce L Baer 2068 0 - 1
Qixuan Han 1819 0 - 1
Lindsay Pyun 1878 ½ - ½
Yiwen Ding 1716 0 - 1
Joshua McKenna 1696 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1595 = (9177 + 400 * (0 - 3)) / 5)

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