Event: Division Two

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Opponent	Rating	Result
Fred S Dickson	1615	1 - 0
Alex D Pready	1795	½ - ½
Noel A Brown	1735	½ - ½
Robert Glass	1759	½ - ½
David Hulme	1822	0 - 1
Tony Shaw	1750	1 - 0
David Smith	1777	0 - 1
Julian H Summerfield	1870	0 - 1

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

1715 = (14123 + 400 * (2 - 3)) / 8)