Event: MID County / Lewis Cup

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Opponent Rating Result
James E Scholes 179 ½ - ½
Nicolas Varley 188 ½ - ½
Alistair Compton 186 0 - 1
Robert E Lane 149 ½ - ½
C Lucjan Karpinski 164 0 - 1
Alistair Compton 186 0 - 1
Barrington Beavis 147 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

57 = (1199 + 400 * (1 - 3)) / 7)

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