Training
Turning a diagnosis into practice — what to drill, what to skip, and which tools are worth your time.
How Does a Chess Clock Work? Presses, Flags, and Time Controls
Two linked timers, only one ever running: how pressing works, what 10+5 and 40/90+30 actually mean, and why increment and delay end games differently.
How to Learn Chess Openings: Fewer Lines, Learned for Keeps
Openings are a memory problem before they are a chess problem: a few sound lines, ideas attached, reviewed on a spaced schedule until recall is automatic.
Do Chess Puzzles Actually Help? Yes, If They're Sound and Matched to Your Games
Puzzles work under two conditions the skeptics are right about: the puzzles must be sound, and they must connect to the mistakes you make in real games.
AI Chess Coaches in 2026: What Makes the Judgment When One Calls Your Move a Mistake?
AI chess coaches differ on one question: what makes the judgment when your move is called a mistake? A field guide, and why our coach isn't an LLM.
Aimchess Alternatives in 2026: What Happened, and Where to Go Now
Aimchess is Chess.com-owned, its iOS app last updated in June 2024, and its site still sells subscriptions. The verifiable story, and honest alternatives.