Event: WDCL Division 1

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Opponent	Rating	Result
Tom Vout	1909	1 - 0
James Harrison	1940	½ - ½
Ethan Norris	2071	0 - 1
Nicholas A Burriss	1681	1 - 0
Peter J Mulleady	1968	0 - 1
Steven Potter	1893	½ - ½
Mike Fleming	1603	1 - 0

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

1924 = (13065 + 400 * (3 - 2)) / 7)