Correspondence (turn-based) chess is the ultimate improvement format for busy players and adult improvers: you get the time to be calm, accurate, and consistent. But it also creates a huge question: what’s allowed (books? databases? analysis board? engines?) — and rules differ by platform. This guide answers the big “Rules / Why / How” questions and points you to the best ChessWorld resources.
If you only read a few pages, read these in order: rules → thinking process → tools.
Reddit is full of “Is this cheating?” questions — because correspondence rules vary by platform and event (for example: “ICCF-style” correspondence can differ from daily games on major sites). The only safe rule is: follow the rules of the platform or tournament you’re playing.
The advantage of turn-based chess is not “infinite calculation.” It’s consistent decision-making: using a repeatable process, checking forcing moves, and choosing plans that fit the pawn structure.
Mini-checklist for every move: (1) What changed? (2) Candidate moves (2–4). (3) Forcing moves for both sides. (4) Calculate only what’s necessary. (5) Evaluate the resulting position. (6) Final blunder-check.
A common question is: “If my opponent can look up theory, what’s the point?” The point is to reach positions you understand — with clear plans and structures — and to prepare responsibly within the rules of your platform.
Yes — if you play it like training, not like a stress test. Correspondence improves planning, evaluation, and verification habits that transfer to rapid and classical. It can also help blitz indirectly by improving pattern recognition and “what matters” judgment.
Turn-based games are won by organization and consistency. These ChessWorld features help you track ideas, reduce mistakes, and play cleanly over many days.
Turn-based chess exists on many platforms and in many formats. Wherever you play, good etiquette keeps games enjoyable: respond at a reasonable pace, avoid stalling, and communicate clearly if the platform supports it.
Start with the rules/ethics pages. Then use a repeatable thinking process + blunder-check on every move. Finally, add planning depth with structures and prophylaxis.
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