Event: Cornwall Quickplay League 2023

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Opponent	Rating	Result
Aaron Hands	1825	0 - 1
Aaron Hands	1825	1 - 0
Richard Hendin	0	1 - 0

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

1350 = (3650 + 400 * (2 - 1)) / 3)