Event: WDCL Division 1

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Opponent	Rating	Result
Ethan Norris	2092	0 - 1
James Harrison	1982	½ - ½
Robert M Furness	1967	0 - 1
Thomas A Quilter	2088	0 - 1
Lee P Kay	2027	0 - 1
Michael Tebelev	1960	0 - 1
Tom Vout	1913	½ - ½
Barry Groves	1830	½ - ½
Steven Potter	1911	1 - 0

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

1797 = (17770 + 400 * (1 - 5)) / 9)