Event: 2023 Manx Cup

Opponent Rating Result
James V Hodgson 1537 1 - 0
Neil T Davies 1898 ½ - ½
Keith Allen 2135 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1857 = (5570 + 400 * (1 - 1)) / 3)

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