Event: Division 2

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Opponent	Rating	Result
John D Kimber	1825	½ - ½
Graham Robertson	0	1 - 0
Daniel Wright	0	1 - 0
Michael J Reddie	1797	½ - ½
Andrew SJ Fleming	0	0 - 1
W John Marshall	1754	0 - 1
Jon AN Lawrance	1860	0 - 1

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

977 = (7236 + 400 * (2 - 3)) / 7)