Event: Division Two

Opponent Rating Result
Jon D Lloyd 1833 ½ - ½
James N Stayt 1890 ½ - ½
Majid Mashayekh 1871 0 - 1
Simon C Sellick 1587 1 - 0
Alastair Mitchell-Baker 1858 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1728 = (9039 + 400 * (1 - 2)) / 5)

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