Event: Division 1

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Opponent	Rating	Result
Alexandros N Ethelontis	2074	0 - 1
Alan H Perkins	2155	0 - 1
Zain Patel	100	½ - ½
Colin Mackenzie	2040	½ - ½
Conor O'Shaughnessy	2054	0 - 1
John Tennyson	2030	0 - 1
Kishan Pattni	1770	1 - 0
Mark Winterbotham	1861	½ - ½

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

1611 = (14084 + 400 * (1 - 4)) / 8)