Event: 6 Board League

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Opponent	Rating	Result
John K Holliday	1720	0 - 1
Colm Barry	2210	0 - 1
Mark W Rogerson	2084	½ - ½
Richard Porter	1923	½ - ½
Robert A Dean	1865	½ - ½
Peter Shaw	2219	½ - ½
Gerard P Killoran	2070	0 - 1
Richard Porter	1920	½ - ½

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

1851 = (16011 + 400 * (0 - 3)) / 8)