Event: Brentwood Chess Club Championship 2021-22

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Opponent Rating Result
Russell Fisher 1420 0 - 1
Andrew P Willoughby 1733 1 - 0
Robert JV Davies 1713 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1489 = (4866 + 400 * (1 - 2)) / 3)

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