Event: Division A

Opponent Rating Result
Graham J Ashcroft 1938 0 - 1
Ben Fearnhead 1880 ½ - ½
Sebastien Szydlowski 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1006 = (3818 + 400 * (0 - 2)) / 3)

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