Event: Weymouth U1850 2023

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Opponent Rating Result
Paul Brackner 1559 1 - 0
Philip Maul 0 1 - 0
Mark A Potter 1801 ½ - ½
Ronnie Burton 1774 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1484 = (5134 + 400 * (2 - 0)) / 4)

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