Event: 2023 Manx Summer Weekend

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Opponent Rating Result
John Griffin 1554 ½ - ½
James V Hodgson 1540 1 - 0
Sanjay Savio Gumireddy 1868 0 - 1
Ben Bosworth 1326 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1472 = (6288 + 400 * (1 - 2)) / 4)

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