2000 GUINEAS 1831
The 23rd winner of the 2000 Guineas, held on Tuesday 19th April 1831, was Riddlesworth (1/5 fav), a chestnut colt by Emilius out of Filagree, owned by the 5th Earl of Jersey, who won by the easiest of lengths. A field of 6 runners contested the race which was worth £1600. (Equivalent to £168,000 in 2017)
Horse Jockey Trainer Owner/Betting
RIDDLESWORTH Jem Robinson James Edwards 5th Earl of Jersey 1/5
SARPEDON General Grosvenor 20/1
BOHEMIAN Lord Exeter 20/1
CIUDAD RODRIGO Duke of Richmond 20/1
PHILIP Mr Houldsworth 20/1
AUDITOR Mr Lumley 20/1
Note that only the price of the winner was recorded, backed to the exclusion of all others who have been allocated 20/1, but this is mere speculation. Over Round 105%
Note: The image above is shown courtesy of the issuing cigarette company.

The newspaper extract below is shown courtesy of the British Library Online.