Event: MID County / Lewis Cup

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Opponent Rating Result
Freddie Hand 205 0 - 1
John N Sugden 190 ½ - ½
Martin R Taylor 230 ½ - ½
Cliff R Chandler 204 ½ - ½
Robert Jacobs 172 1 - 0
Martin R Taylor 230 ½ - ½
Robert E Lane 149 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

197 = (1380 + 400 * (1 - 1)) / 7)

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