Event: 2023 Manx Summer Weekend

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Opponent Rating Result
James V Hodgson 1540 ½ - ½
Silvester Sipos 1950 0 - 1
Howard EJ Dobson 1742 ½ - ½
Paul Smith 1697 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1732 = (6929 + 400 * (1 - 1)) / 4)

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