This was an actual game between Aliaga Fernandez, Ingrid and Gunina, Valentina in game 1 of Women's World Championship
It is black to move. How should black proceed?
1...Kc4!! threatening 2...Nd5#, 2. Rd8 Nd5+, 3. Rxd5 Kxd5, 4. h4 Rg2 — Black wins
This is from an actual game by GM Ivkov
This is not a very difficult puzzle
Black to move. What should black do?
This is one of the chess puzzles from 2018 NAG Puzzle Solving Championships
This chess puzzle is from my book Learn Chess The Right Way (Vol 4)
This was an actual game from the STL Winter Classic
In this chess puzzle, precision calculation is required
This is a classic puzzle by Napoleon Marache
This is one of the chess puzzles from the 2018 North American Girls Puzzle Solving Championships