How well do you visually pick the left bird on post one? I struggle with that post on occasion if I start to hold too high and too close to the left corner. I don't get a clear view of the bird and panic. I start a swing to the left knowing the bird is there somewhere and my next tendency is to bring the muzzle up too high, too fast and it then covers the bird. When I lose sight of the bird I'll shoot, even if I know I'm above and behind.
I find a lower hold on one and two, holding at least 1/3 of the way in from the left corner, and almost the center on two, allows me a clear view of the bird as it leaves the house. If I have the bird clearly in my vision I'll smoke it.
If you can get a box of shell, have the club lock the trap on a hard left and shoot all 25 from post one. Pay especial note to your gun hold, eye position and focus on seeing the bird clearly. Vary things slightly and find out what works for you.
Good Luck!