Event: D&DCL Div 1

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Opponent Rating Result
David Smith 1810 0 - 1
Andrew Townsend 1728 ½ - ½
Edward T Bromilow 1870 0 - 1
Andrew Townsend 1728 ½ - ½
Justin Smith 1525 1 - 0
Ranjit Nath 1900 0 - 1
Andrew Toothill 1975 ½ - ½
Derek A Jarvis 1900 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1655 = (14436 + 400 * (1 - 4)) / 8)

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