Event: Division 1

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Opponent	Rating	Result
Nigel Holland	1525	0 - 1
David Veress	0	0 - 1
Parshottambhi D Patel	1383	1 - 0
Paul Doherty	1780	0 - 1
Chris Jardine	1825	0 - 1
Yin Chu	0	½ - ½
Geoff Swallow	0	0 - 1
Mike Swift	1323	0 - 1

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

730 = (7836 + 400 * (1 - 6)) / 8)