Event: U1650

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Opponent Rating Result
Zebedee Jones 1624 ½ - ½
John G Taylor 1606 1 - 0
John B Illingworth 1666 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1632 = (4896 + 400 * (1 - 1)) / 3)

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