Event: Weymouth U1850 2023

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Opponent Rating Result
Kaifer Rait-McDonald 0 1 - 0
Tim Jones 1813 ½ - ½
Brendan O'Gorman 1867 0 - 1
Derek F Edwards 1694 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1244 = (5374 + 400 * (1 - 2)) / 4)

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