Good question. Sometimes it doesn't make sense. However, you have to think of it this way - each ring is a different opinion. Some judges prefer one type of cat over another.
This last show Charlie was in, he finalled in 7 out of 8 rings. The ring he didn't get in, that judge has seen him in almost every other show - and has yet to put him in the finals. He just doesn't like him that much to put him in the finals....maybe one day
I took my cornish rex to a TICA show (one time) where they used the same judge to judge Specialty one day; Allbreed the next. Spooky did very well. The judge that did Specialty on Saturday didn't put him up....yet the next day doing Allbreed, she put him in the finals....now explain that one!
What association are you showing her - she's pretty