Event: Open

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Opponent	Rating	Result
Anthony Sadler	149	½ - ½
Andrew C Southall	177	1 - 0
Christopher D Lewis	154	0 - 1
Mike J Hollier	146	½ - ½
Kevin Hurney	193	1 - 0
Golam S Ali	163	½ - ½
Fred S Dickson	135	1 - 0
Anthony Sadler	149	1 - 0
Andrew C Southall	177	0 - 1
Christopher D Lewis	154	1 - 0
Mike J Hollier	146	½ - ½
Kevin Hurney	193	½ - ½
Golam S Ali	163	1 - 0
Fred S Dickson	135	0 - 1

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

245 = (2234 + 400 * (6 - 3)) / 14)