Event: 54th Cotswold Open

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Opponent Rating Result
Lee Davis 2026 0 - 1
Adithya Vaidyanathan 2118 0 - 1
Florence Spirling 1703 ½ - ½
Ayan Pradhan 1798 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1811 = (7645 + 400 * (1 - 2)) / 4)

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