Event: Division 1 - Davy Trophy

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Opponent Rating Result
Stuart Crosthwaite 158 0 - 1
John A Fryer 0 1 - 0
Paul Williams 139 ½ - ½
Brendan Ashmore 138 ½ - ½
Stuart Crosthwaite 158 ½ - ½
Ewan Cormack 170 ½ - ½
David N Toft 128 1 - 0
James RG Marley 170 0 - 1
Martin Lau 0 0 - 1
Ian Barker 108 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

77 = (1169 + 400 * (2 - 3)) / 10)

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