Event: Weymouth U2200 2023

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Opponent Rating Result
Ian C Clark 1972 0 - 1
Matthew Timbrell 1902 ½ - ½
Walter NR Saunders 2124 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1733 = (5998 + 400 * (0 - 2)) / 3)

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