Event: 2021-2022

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Opponent Rating Result
Dave Colledge 1781 0 - 1
Sean Keddie 1336 ½ - ½
Bryn W Charlesworth 1565 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1561 = (4682 + 400 * (1 - 1)) / 3)

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