Question on Racing post info

[Datapunter]

When i look at a race at the Racing Post then next to the name of the Horse there sometimes is a number and also a letter in a box. What do these mean ? e.g. 21 jul 2004 Sandow, A One (IRE) 12 D BF ( D and BF are in a small box ) What do 12 D and BF mean ?

[Datapunter]

Re: Question on Racing post info Also right under the horses name, when looking at the card with colours, there are the letters b g or sometimes ch g. When looking at the Horse Form page these letters are next to the horses age/date of birth. What do these letters b g mean ?