Event: 9th South Cheshire Shield

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Opponent Rating Result
David P Price 119 0 - 1
Neville S Jones 102 1 - 0
George P Jelliss 90 1 - 0
Oliver Davies 90 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

300 = (401 + 400 * (3 - 1)) / 4)

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