In the following blog article, I have identified several good, relatively advanced tactics books which are targeted to intermediate player and above....
Good Chess Books for Beginners and Beyond...
https://www.chess.com/blog/RussBell/good-chess-books-for-beginners-and-beyond
Hello,
I want to reach elo 2000 (OTB) by solving chess puzzles. I would say that I am around 1700 elo (OTB) and I think that I can gain 300 elo points more by focusing on tactics and endgames. My question is which tactic books are the most effective ones? I solved the first 24 puzzles of Reinfield 1001 Brilliant chess sacrifices and combinations and to be honest, I think the book has to many easy puzzles. Therefore I wanted to ask if you know some tactic books which are more difficult and which can help me to reach 2000 elo.