Event: Rapid Play League

Opponent Rating Result
RA (Bob) Maltby 1616 1 - 0
RA (Bob) Maltby 1616 1 - 0
Richard D Hardy 2028 ½ - ½
Richard D Hardy 2028 0 - 1
James P Collier 1676 ½ - ½
James P Collier 1676 0 - 1
Jonathan Mahony 1642 ½ - ½
Jonathan Mahony 1642 1 - 0
Hongyi Yu 0 0 - 1
Hongyi Yu 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1352 = (13924 + 400 * (3 - 4)) / 10)

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