Event: Woodhouse Cup

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Opponent	Rating	Result
Martyn Hamer	2124	½ - ½
John W Atkinson	1982	½ - ½
Paul A Johnson	1921	½ - ½
Mark Waterhouse	1711	½ - ½
Sam Jacklin	1907	½ - ½
Deji Jeje	2113	1 - 0
Detlef Plump	2065	0 - 1
Warren B Dennison	1906	1 - 0
Adam R Lang	2120	0 - 1

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

1983 = (17849 + 400 * (2 - 2)) / 9)