I thought I would add some thing else
Here are my last 35 races at the CL10 N2-L at Parx This time I showed both Female and Male horses all ages . This data is from the winning horse of the race. I show in the last 3 columns, the race class of the last race - then the race class of the race were the horse won. and if it was a rise or drop or the same RC
In 35 Races at the same CL10 N2-L class the winner moved up in CR 12 times
It dropped 18 times. It stayed the same 5 times. So in only 12 of 35 races the
race class was lower than the race class of the race the horse won in.