Event: D&DCL Div 1

Opponent Rating Result
Benjamin I Nevett-Farman 1950 1 - 0
Andrew Robins 1750 1 - 0
D Martin Howard 2002 ½ - ½
Ranjit Nath 1826 1 - 0
Vaughan WG Smith 1631 ½ - ½
Derek A Jarvis 1865 1 - 0
Vaughan WG Smith 1631 1 - 0
David Hatton 1553 1 - 0
D Martin Howard 2002 0 - 1
Tomasz D Adamski 1749 1 - 0
David J Pickering 1737 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1972 = (19696 + 400 * (7 - 2)) / 11)

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