Event: WDCL Division 1

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Opponent	Rating	Result
Tom Vout	1887	½ - ½
James Harrison	1982	1 - 0
Michael Tebelev	1960	½ - ½
Mark Ellis	2034	½ - ½
Ken Johnson	1705	½ - ½
Jonathan M Smith	2017	1 - 0
Damian McCarthy	1957	0 - 1
Nicholas A Burriss	1680	1 - 0

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

2003 = (15222 + 400 * (3 - 1)) / 8)