Event: D&DCL Div 2

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Opponent	Rating	Result
George K Heath	1806	1 - 0
Michael WA Hoare	1646	0 - 1
Justin Smith	1722	0 - 1
Chris A Fraser	1492	0 - 1
George K Heath	1550	1 - 0
Brian Lever	1505	1 - 0
Jonathon Swift	1540	1 - 0
Garry Sands	1556	1 - 0
Mohinderpal Samra	1381	1 - 0

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

1711 = (14198 + 400 * (6 - 3)) / 9)