https://community.betfair.com/horse_racing/go/thread/view/94102/29913989/great-incentive-to-bet-on-guineasBookie doubling winnings up to 200 if you bet winner of either Guineas and either go on to win Derby or Oaks.The great Noel Murless said the 2000 was the best Derby trial ever.https://community.betfair.com/horse_racing/go/thread/view/94102/29913989/great-incentive-to-bet-on-guineas?post_id=531945827#531945827Bookie doubling winnings up to 200 if you bet winner of either Guineas and either go on to win Derby or Oaks.The great Noel Murless said the 2000 was the best Derby trial ever.Thu, 02 May 2013 18:17:07 -0500