Event: Division A

Opponent Rating Result
Ronnie Whiteside 1733 ½ - ½
John Whitfield 1797 1 - 0
Graham J Ashcroft 1866 0 - 1
Phillip J Taylor 1947 1 - 0
Armand Catz 1799 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1908 = (9142 + 400 * (2 - 1)) / 5)

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