Event: Division 1

Opponent Rating Result
Trevor D Coote 2006 ½ - ½
Ivan J Myall 2015 0 - 1
Edgar Wilson 2005 ½ - ½
Ruqayyah Rida 2046 0 - 1
Stephen Coughlan 2032 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1861 = (10104 + 400 * (0 - 2)) / 5)

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