Event: South Cheshire Shield

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Opponent Rating Result
Oliver J Horrocks 90 1 - 0
Les Hall 90 1 - 0
Les Hall 90 1 - 0
John Prout 90 0 - 1
Peter FK Evans 90 1 - 0
John Lightfoot 95 1 - 0
David E Ashby 94 1 - 0
David E Ashby 90 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

391 = (729 + 400 * (7 - 1)) / 8)

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