Event: Weymouth U1550 2023

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Opponent Rating Result
Paul A Bland 1498 1 - 0
Paul Foster 1479 0 - 1
Kevin D Markey 1463 0 - 1
David F Burt 1343 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1346 = (5783 + 400 * (1 - 2)) / 4)

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