Firstly, here is a trainer whose handicap runners at Sandown are worth noting.
Trainer: Roger Charlton
Race Type: Handicaps
Horse Age: 3-year-old’s only
Race Distance: 1m to 1m 2f
Since 2014 the trainer has had, with such runners –
9 winners from 19 runners
Strike Rate 47%
SP Profit +19.74
11 places
Place Strike Rate 58%
A/E 1.65
(profit to Betfair SP +22.48 with Betfair A/E 1.76)
The second trainer is Mark Johnston and his runners in Class 5 races at Sandown:
Trainer: Mark Johnston
Race Class: Class 5
Odds SP: 9/1 & under
Since 2014 he has had
7 winners from 14 runners
Strike Rate 50%
SP Profit +19.75
A/E 2.33
8 places
Place Strike Rate 57%
(profit to Betfair SP +21.34 with Betfair A/E 2:59).
Noteworthy, that he is 5 winners from 6 runners +18.75 in 2017.