Event: Division 3

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Opponent	Rating	Result
Peter J Leary	1758	½ - ½
Brian Homewood	1611	½ - ½
Rory Melough	1523	1 - 0
Bill Kimberley	1793	1 - 0
David J Barker	1507	½ - ½
David J Friend	1609	1 - 0
Bradley Vanian	1200	½ - ½
Adrian R Lissamore	1550	1 - 0

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

1769 = (12551 + 400 * (4 - 0)) / 8)