Event: Camberley Chess Club Championship 2023

Opponent Rating Result
Martin J Wallman 1749 0 - 1
James Roberts 1684 0(def) - 1
Josh Roy 0 1 - 0
James Roberts 1619 1 - 0
Luke Alstrom 1330 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1375 = (4698 + 400 * (3 - 1)) / 4)

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