Event: Division Two

Opponent Rating Result
David J Rowson 2053 0 - 1
Alastair Armstrong 1893 1 - 0
Maxim Dunn 2124 0 - 1
Simon Healeas 1854 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1881 = (7924 + 400 * (1 - 2)) / 4)

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