Event: Weymouth U1850 2023

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Opponent Rating Result
Ronnie Burton 1774 ½ - ½
Thomas Merchant 1587 1 - 0
Michael J Stanners 1789 0 - 1
Dennis Stokes-Carter 1850 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1650 = (7000 + 400 * (1 - 2)) / 4)

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