Event: Hillingdon Div 1

Opponent Rating Result
Greg J Breed 1890 1 - 0
Frank Zurstiege 1763 ½ - ½
Bharath Jayakumar 1777 0 - 1
Cherag Irani 1723 ½ - ½
Simon Healeas 1904 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1891 = (9057 + 400 * (2 - 1)) / 5)

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