Event: League Division 3

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Opponent	Rating	Result
Frank T Sheldrick	1696	½ - ½
Pietro Convalle	1506	1 - 0
Tom Devlin	1569	0 - 1
Nathaniel Mackenzie	1322	1 - 0
Zana Aziz	1720	0 - 1
RA (Bob) Maltby	1640	1 - 0
Joe (jnr) Cavalier	0	1 - 0

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

1465 = (9453 + 400 * (4 - 2)) / 7)