Event: Open

Opponent Rating Result
Bruce L Baer 166 1 - 0
Anthony Sadler 149 0 - 1
Nicholas A Walker 181 0 - 1
Gordon SG Christie 145 1 - 0
Roy A Lawrence 146 0 - 1
Simon C Smith 160 ½ - ½
Martin D Smyth 153 0 - 1
Bruce L Baer 166 0 - 1
Anthony Sadler 149 ½ - ½
Nicholas A Walker 181 ½ - ½
Gordon SG Christie 145 0 - 1
Roy A Lawrence 146 1 - 0
Simon C Smith 160 0 - 1
Martin D Smyth 153 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

71 = (2200 + 400 * (4 - 7)) / 14)

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