Chinese painting chess pieces have inscriptions, and the left and right corners have borders, so you can't stamp them casually. Square leisure stamp can be affixed to the upper right corner, square leisure stamp can be affixed to the lower left corner and square leisure stamp can be affixed to the lower right corner. If there is no need to stamp a leisure stamp here, it will be self-defeating if you barely stamp it.
Extended information name and font size printing: generally stamped under or around the author's name. Zhai Guan and Tang Hao usually affix their seals around or below the words, which are also used to say hello, and cover them in the upper right corner. The seals of idle prose, auspicious words and epigrams are generally covered in the lower left corner of calligraphy and painting as chess pieces.
Collecting and appreciating stamps are generally covered on the left and right corners of calligraphy and painting, or they do not hinder the blank space of calligraphy and painting works themselves, and can also be covered on mounting other than calligraphy and painting. It is also covered in the most conspicuous position of calligraphy and painting to show authority.
Appreciation of calligraphy and painting is mainly observed from the aspects of style, pen and ink, color, composition, composition, painting, seal, paper, mounting and inscription. The main aspects are calligraphy and painting itself, calligraphy and seals.
References:
Baidu encyclopedia-seal