Event: Div 1 - Davy Trophy

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Opponent	Rating	Result
Oscar J Idle	2049	0 - 1
Miles D Edwards-Wright	2034	1 - 0
Samuel A Milson	2174	0 - 1
James RG Marley	1999	1 - 0
Ionel Dragan	1894	½ - ½
Thomas Wills	2000	0 - 1
Edouardos Ter Gevorkian	1906	1 - 0
Peter W Hempson	1923	0 - 1

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

1947 = (15979 + 400 * (3 - 4)) / 8)