Event: IM Brown

Opponent Rating Result
Gawain Ako 1787 ½ - ½
Neil Griffiths 1590 ½ - ½
Karim Khan 1803 ½ - ½
Toby Quaite 1483 1 - 0
Andrew Nettleship 1518 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1796 = (8181 + 400 * (2 - 0)) / 5)

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