Training notebook · Apps and practice

Choosing an offline chess app: what should work without internet?

Check local engines, bundled exercises and saved progress before travelling, and distinguish offline practice from online chess services.

Offline describes an activity, not a whole product

A chess app can analyse on the device while requiring internet for multiplayer or new content. Before relying on it during a journey, list the activities you want available: computer games, tactical exercises, endgame practice, game replay or access to earlier notes. Test each one rather than trusting a single offline label.

Download and open the app before disconnecting. Complete any required setup while a connection is available. Then close and reopen it without internet. A feature that remains visible in an already-open screen may behave differently after a fresh launch or when it needs additional material.

Check where the engine runs

A local engine performs its analysis on your device. A server-based engine needs a connection to receive the position and return its answer. Some products offer both, so inspect the selected mode and test the actual analysis you intend to use.

For a practical check, start a computer game offline, make several moves and investigate an alternative continuation. Do not infer analysis availability from the fact that the board itself opens. A board display, a puzzle answer and a fully running engine are different functions.

Verify the exercises and progress you need

Try a new puzzle, a previously missed position and an endgame drill while disconnected. Confirm whether the relevant material is bundled or downloaded in advance. If a daily feed cannot refresh, distinguish that expected limitation from the availability of the app’s stored library.

Consider device changes separately. Progress stored locally is not the same as a cloud account that automatically restores every record. Before deleting an app or moving to a new device, read its current support information and check what your backup arrangement preserves. Do not assume offline use implies either cloud sync or permanent data retention.

Make a travel test rather than a risky assumption

A short rehearsal is enough to uncover most immediate surprises: launch offline, play the computer, attempt a training task and reopen the app. Keep battery needs in mind because sustained engine analysis uses device resources even without network traffic. You can study a single position carefully instead of running continuous analysis for an entire journey.

Multiplayer, rankings and fresh online content normally have separate connectivity requirements. An offline practice tool does not create an internet-free match with a distant friend. Once connected again, check any expected updates deliberately. The strongest choice is not the app that makes the broadest claim, but the one whose specific offline tasks you have verified on the device you will carry.

Put the practice into a routine

Where Brass Pawn fits

Brass Pawn runs Stockfish or Reckless on-device and includes bundled training and games. Game Center matches, rankings and the Today feed need internet; do not describe the entire app as connection-free.

Sources and further practice

What to work on next

Brass Pawn

Tactics, positional judgement, endgame technique and coached play, with the engine running on the device itself. No account, and nothing collected — apart from what online play needs: that you are online, and the friends you make.

Chess practice: offline analysis, puzzles and friends

Free software under the GNU Affero General Public License v3. Read the source.

© 2026 Mincho Milev. Brass Pawn is free software.

Stockfish © the Stockfish developers, GPLv3. Puzzles and games from the Lichess database, CC0. Not affiliated with Apple, Lichess, the Stockfish project or the Reckless project.