Event: WMA Autumn League Division 1

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Opponent	Rating	Result
Eric Gibbon	1936	0 - 1
Marcus Walsh	1876	0 - 1
Scott Russell	1630	1 - 0
Marcus Walsh	1876	½ - ½
Scott Russell	1618	½ - ½
Marcus Walsh	1900	0 - 1
Eric Gibbon	1936	0 - 1
Marcus Walsh	1876	0 - 1
Scott Russell	1630	0 - 1
Marcus Walsh	1876	0 - 1
Scott Russell	1618	0 - 1
Marcus Walsh	1900	1 - 0

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

1606 = (21672 + 400 * (2 - 8)) / 12)