Event: Div 4 - Athenaeum Cup

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Opponent	Rating	Result
Brian Crofts	1591	½ - ½
Tom Key	1598	0 - 1
Mark Kirkham	1547	½ - ½
Pat Connolly	1573	0 - 1
Darci Cooper	1287	1 - 0
Sarah L White	1550	0 - 1
Harry Heather	1515	1 - 0
Matt Molloy	1437	1 - 0

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

1512 = (12098 + 400 * (3 - 3)) / 8)