You should sacrifice a piece if you see a full-proof attack plan which will lead to checkmate or lost position of your opponent. I teach and explain these kinds of ideas in most of my chess ideas. Please refer to the below video for more details: Art of Sacrifice in Chess | Chess Sacrifice Strategy to Win Games ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-wAGtrY4iyb4.html And almost in every video, I explain to the viewer step by step the ideas played behind each move and its consequences on a given position. I do game analysis in all my videos, so keep watching my content to gain more insights on this topic.
Pin Video Link: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-VujG_MZS7qg.html Tempo Video Link: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-p5s_XVPrlv0.html Decoy pe zaroor banaungi. Yadi aapko achha khiladi banna hai toh aapko saari cheezein sikhni padege, sirf basic concepts sikh kar aap game improve nahi kar paayenge.