Finally.... he saw the light 
"Dutch top driver IJsbrand Chardon will from now on compete with Lipizzaner horses in the FEI World Cup Driving competitions. The four times World Champion bought three horses of his fellow competitor Jozsef Dobrovitz from Hungary right after the World Cup competition in Stuttgart this weekend"
http://www.hoefnet.nl/en/home/site/news/ijsbrand-chardon-switches-to-lipizzaner-horses
