Event: Rapid Play League

Opponent Rating Result
James P Collier 1690 1 - 0
James P Collier 1690 0 - 1
David L Pedro 1725 ½ - ½
David L Pedro 1725 1 - 0
Peter F Mason 1738 ½ - ½
Peter F Mason 1738 1 - 0
Richard Sanger 1693 ½ - ½
Richard Sanger 1693 1 - 0
Sam Jacklin 1924 1 - 0
Sam Jacklin 1924 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1874 = (17540 + 400 * (5 - 2)) / 10)

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