Event: D&DCL Div 1

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Opponent	Rating	Result
Edward T Bromilow	1786	½ - ½
Paul Madden	2106	1 - 0
Benjamin I Nevett-Farman	1950	0 - 1
Andrew Stevens	1949	½ - ½
Simon R Edwards	2043	½ - ½
John Molyneux	2114	0 - 1
Benjamin I Nevett-Farman	1950	½ - ½

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1928 = (13898 + 400 * (1 - 2)) / 7)