Event: Rapid Play League

Opponent Rating Result
Paul May 1838 ½ - ½
Paul May 1838 1 - 0
David L Pedro 1732 ½ - ½
David L Pedro 1732 1 - 0
James P Collier 1676 1 - 0
James P Collier 1676 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2015 = (10492 + 400 * (4 - 0)) / 6)

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