Event: Division 2 - Weston Trophy

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Opponent	Rating	Result
Pat Connolly	132	½ - ½
Joseph B Bradey	148	0 - 1
Stuart Crosthwaite	164	0 - 1
Mick McManus	136	1 - 0
George Peters	137	½ - ½
Brendan Ashmore	134	0 - 1
David Glossop	121	0 - 1
Duncan Chambers	125	0 - 1
Daniel J Clayton	0	1 - 0

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

-11 = (1097 + 400 * (2 - 5)) / 9)