Now the so-called new rack is also called Type 83, which was replaced from Chen's old rack when Chen Fake and his son were teaching boxing in Beijing.

The old shelf was handed down from Chen Changxing;

Chen Xin's shelf, now called Xiao Jia, is Chen Liqing's shelf.

Now Chen Tai Ji Chuan is basically these three mainstream shelves.

I used to be confused, too. Later, I went online to find Zou Zequn, a disciple of Chen Liqing, to confirm that it was basically clear.