Event: 9th South Cheshire Shield

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Opponent Rating Result
James Marshall 100 0 - 1
Oliver Davies 90 0 - 1
Andrew David Lowe 90 ½ - ½
Dylan Whitney 90 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-8 = (370 + 400 * (1 - 2)) / 4)

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