Event: Division 2

Opponent Rating Result
George J Ellames 1838 0 - 1
John Liddle 1860 ½ - ½
Steve Burnell 1791 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1830 = (5489 + 400 * (1 - 1)) / 3)

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