Event: John Swan Trophy

Opponent Rating Result
Edward T King 1565 ½ - ½
Steve J Pullinger 1874 1 - 0
Biran S Shah 1746 1 - 0
Martin G Walker 2208 ½ - ½
David J Payne 1728 0 - 1
Alexander New 1879 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1833 = (11000 + 400 * (2 - 2)) / 6)

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