Learn How to Back Rank Mate: Chess Endgame Fork
This puzzle is a classic back rank mate pattern with a forcing tactical sequence in a sharp middlegame/endgame setting. The key idea is to use a rook invasion to create a direct threat against the king while also attacking a major piece, leaving the defender overloaded. Because the black king’s escape squares are limited and the back rank is vulnerable, the position collapses quickly once the forcing move is found. It is a great example of how activity can outweigh material.