Event: Camberley Chess Club Championship 2023

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Opponent	Rating	Result
Paul Sloane	2086	0 - 1
Josh Roy	0	1 - 0
Luke Alstrom	1291	1 - 0
Daniel Seaton	1772	0 - 1
Robert Smith	1568	0 - 1

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1263 = (6717 + 400 * (2 - 3)) / 5)