Other Issues
In order to master the qin, there are in excess of 50 different techniques that must be mastered. Even the most commonly used (such as tiao) are difficult to get right without proper instruction from a teacher. Also, certain techniques vary from teacher to teacher and school to school.
There are also a lot of obsolete fingerings and notation that are rarely used in modern tablature. There are now new books that have began to be published about these fingerings and notation as Qin culture and study gains momentum.
Read more about this topic: Guqin Playing Technique