Event: Division 3

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Opponent Rating Result
Iain Reeve 1725 ½ - ½
Michael J Morgan 1822 ½ - ½
Edward Hargreaves 1576 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1708 = (5123 + 400 * (0 - 0)) / 3)

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