Event: MCA Division 3

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Opponent	Rating	Result
Brian D Corner	1497	1 - 0
Sanjoy K Banerjee	1713	1 - 0
Peter Mellor	1695	0 - 1
Colin Dougherty	1589	½ - ½
Michael I Williams	1691	1 - 0
Trevor Shaw	1476	½ - ½
Michael I Williams	1691	½ - ½
Mark LJ Spriggs	1686	½ - ½
Jack Austen-Vincent	1478	0 - 1

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

1657 = (14516 + 400 * (3 - 2)) / 9)