Event: NSDCA Division 2

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Opponent	Rating	Result
Nigel Gardner	1495	½ - ½
Roger J Edwards	1635	1 - 0
David Lambton	1792	½ - ½
Lee Farrington	1850	0 - 1
Chris P Hankey	1775	1 - 0
Steve Whatmore	1879	0 - 1
Roger J Edwards	1635	½ - ½
David Lambton	1792	0 - 1

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

1682 = (13853 + 400 * (2 - 3)) / 8)