How to make a DOB horse selection and back test success rate

In this video we show you how to use the pre race download file ( to filter for upcoming selections where we want to check if they will be a successful DOB (Double or Bust). To be a long term profitable dobber you need a strike rate in excess of 50%.
We check the 5 qualifiers after the event using the results download file ( and see that 4/5 (80%) where successful trades.
It is worth noting that Hallowed Star only traded down to odds of 4.0 in running where a minimum of £100 was matched – so this horse would in fact be recorded as a loosing DOB


You might be interested in

Betfair Trading Software


Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.