Event: 53rd Cotswold Major

Opponent Rating Result
Justin Smith 1626 0 - 1
Jacob Liu 1696 ½ - ½
Robert Lacey 1491 ½ - ½
David J Norris 1427 1 - 0
James Yiming Wang 1424 0 - 1
Sam Wood 1662 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1421 = (9326 + 400 * (1 - 3)) / 6)

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