Event: NSDCA Division 1

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Opponent	Rating	Result
Steve R Hill	1821	0 - 1
Martin J Burns	1941	½ - ½
Geoff Laurence	1701	½ - ½
Malcolm A Roberts	1671	0 - 1
Railton W Hyde	1733	½ - ½
Martin F Frisher	1787	½ - ½
Andrew L Raeburn	1860	½ - ½
David A Hallen	1501	1 - 0

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

1702 = (14015 + 400 * (1 - 2)) / 8)