Event: D&DCL Div 2

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Opponent	Rating	Result
Chris A Fraser	1538	½ - ½
John S Shaw	1784	0 - 1
Andre Cockburn	1593	1 - 0
Neil Cameron	1682	0 - 1
Graham Smith	1473	½ - ½
Shourya Eaga	1473	½ - ½
Neil Cameron	1671	½ - ½
Graham Smith	1490	½ - ½

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

1538 = (12704 + 400 * (1 - 2)) / 8)