Event: Division 2 - Weston Trophy

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Opponent	Rating	Result
John A Clark	147	½ - ½
Mick McManus	129	1 - 0
David Watson	147	1 - 0
Norman A Wragg	129	½ - ½
Steve Bracey	148	½ - ½
Nigel Carpino	181	½ - ½
Steve B Housley	149	½ - ½
Alan K Sutton	140	½ - ½

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

246 = (1170 + 400 * (2 - 0)) / 8)