Event: Weymouth U1850 2023

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Opponent Rating Result
Florence Spirling 1687 1 - 0
Ed Craddock 1768 ½ - ½
Christine F Constable 1488 1 - 0
Freddie Pick 1755 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1875 = (6698 + 400 * (2 - 0)) / 4)

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