Event: Woodhouse Cup

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Opponent	Rating	Result
Mark I Collinson	1997	½ - ½
John M Morgan	1998	½ - ½
Paul A Johnson	1896	½ - ½
Gary Hinchcliffe	1862	½ - ½
Peter JE Ackley	2094	½ - ½
Jim WR Nicholson	2036	½ - ½
Paul Pritchard	1794	½ - ½
Peter D Rooney	2042	0 - 1

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

1915 = (15719 + 400 * (0 - 1)) / 8)