The Grandmaster Chess Blog

Strategy guides, opening theory, and platform news.

5 Tactical Patterns Every Player Should Know

Forks, pins, skewers, discovered attacks, and back-rank weaknesses — the patterns that win the most games below master level.

Why 1...c5 is Black's most popular and most fighting response to 1.e4, and how to navigate its many branches.

A practical look at Elo and Glicko-style rating systems, why ratings fluctuate, and what a 'good' rating means.