X-Ray Defense in Chess: Hidden Lifelines

This article, part 2 of a mini-series, explores the defensive applications of the X-ray motif in chess. It presents multiple examples demonstrating how seemingly lost positions can be salvaged using X-ray defenses. The author highlights the often-overlooked importance of defensive tactics, arguing they are as crucial as offensive ones. Six puzzles of increasing difficulty are provided to help readers understand and master X-ray defense, emphasizing the importance of considering a piece's line of sight even with intervening pieces. Indirect contact, the article shows, can hold unexpected influence.