Event: WMA Autumn League Division 1

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Opponent	Rating	Result
Julian H Summerfield	1823	1 - 0
Matthew A Holmes	1782	0 - 1
Anthony Rimmington	1600	½ - ½
Eric Gibbon	1928	1 - 0
Kieran A Lappin	1637	1 - 0
Julian H Summerfield	1823	½ - ½
Matthew A Holmes	1782	½ - ½
Anthony Rimmington	1600	1 - 0
Eric Gibbon	1928	0 - 1
Kieran A Lappin	1637	1 - 0

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

1874 = (17540 + 400 * (5 - 2)) / 10)