Event: Division 4

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Opponent	Rating	Result
Marian Talmacel	1598	0 - 1
Christopher Sargeant	1673	1 - 0
Leo Beacroft	1401	1 - 0
Mick J Frings	1329	1 - 0
Michael Swanwick	1576	1 - 0
Alex Meade	1520	1 - 0
Alex Clements	1173	1 - 0
Charles Baylis	1400	1 - 0

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

1759 = (11670 + 400 * (7 - 1)) / 8)