Event: Hillingdon Div 1

Opponent Rating Result
Nigel Colter 1798 ½ - ½
David A Stott 1363 1 - 0
Clive Heidrich 1790 1 - 0
Arthur Cann 1554 1 - 0
Cherag Irani 1744 0 - 1
Nigel Colter 1734 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1864 = (9983 + 400 * (4 - 1)) / 6)

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