Chessis: Chess Analysis
9.3 2K+
v21.5 by Chess Improvement Apps
About Chessis
Chessis (Package Name: com.chessimprovement.chessis) is developed by Chess Improvement Apps and the latest version of Chessis: Chess Analysis 21.5 was updated on September 13, 2026. Chessis: Chess Analysis is in the category of Board. You can check all apps from the developer of Chessis: Chess Analysis. Currently this app is for free. This app can be downloaded on Android 5.0+ on APKFab or Google Play. All APK/XAPK files on APKFab.com are original and 100% safe with fast download.
Chessis is one of the best chess analysis apps for Android. It turns every game into a chess lesson: analyze your games with the latest Stockfish engine, get a full game report with Blunders, Missed Wins and Best Moves and see not just where you went wrong, but WHY.
Trusted by over 1,000,000 chess players.
♟️ GAME REVIEW LIKE A COACH
✔️ Full game report with accuracy, estimated rating, and phase-by-phase breakdown
✔️ Key moments: the turning points that decided your game, explained in plain words
✔️ Move badges from Brilliant to Blunder — and "Why Blunder?" shows the idea you missed, right on the board
✔️ Retry Mistakes: replay the critical moments of any game and find the better move this time
✔️ Analyze your Chess.com and Lichess games, import PGN files, or scan a board with your camera
🤖 PLAY HUMAN-LIKE BOTS
✔️ Bots with human playing styles — aggressive, defensive, natural — at every level
✔️ Blunder alerts while you play: learn before you lose
✔️ Hints, takebacks, and move-strength feedback
✔️ Play casually or on the clock
📚 LEARN OPENINGS & TRAPS
✔️ Explore all chess openings with names and main lines
✔️ Trap training: practice famous opening traps until they stick
🛠 POWERFUL ANALYSIS TOOLS
✔️ Stockfish 18 — the strongest chess engine in the world
✔️ Multiple engine lines, threat arrows, and blunder detection
✔️ Board editor with live evaluation bar
✔️ Games database with FEN search and annotated PGN export
✔️ Chess960 (Fischer Random) support
✔️ Engine vs Engine matches — watch engines battle
✔️ Works with Chessnut electronic boards
🎨 Beautiful board themes and pieces · 🌍 14 languages · ☁️ Google Drive backup
Most features are free. Chessis Pro supports development and adds:
✔️ Unlimited game analysis
✔️ Deep analysis with higher depth and NNUE
✔️ Unlimited engine lines and playable engine lines
✔️ Mistake alerts and move strength while playing
✔️ "Why Blunder" lines
✔️ No ads
Questions or suggestions? Email us at chessimprovementapps@gmail.com — we read everything.
Let's analyze chess with Chessis!
Trusted by over 1,000,000 chess players.
♟️ GAME REVIEW LIKE A COACH
✔️ Full game report with accuracy, estimated rating, and phase-by-phase breakdown
✔️ Key moments: the turning points that decided your game, explained in plain words
✔️ Move badges from Brilliant to Blunder — and "Why Blunder?" shows the idea you missed, right on the board
✔️ Retry Mistakes: replay the critical moments of any game and find the better move this time
✔️ Analyze your Chess.com and Lichess games, import PGN files, or scan a board with your camera
🤖 PLAY HUMAN-LIKE BOTS
✔️ Bots with human playing styles — aggressive, defensive, natural — at every level
✔️ Blunder alerts while you play: learn before you lose
✔️ Hints, takebacks, and move-strength feedback
✔️ Play casually or on the clock
📚 LEARN OPENINGS & TRAPS
✔️ Explore all chess openings with names and main lines
✔️ Trap training: practice famous opening traps until they stick
🛠 POWERFUL ANALYSIS TOOLS
✔️ Stockfish 18 — the strongest chess engine in the world
✔️ Multiple engine lines, threat arrows, and blunder detection
✔️ Board editor with live evaluation bar
✔️ Games database with FEN search and annotated PGN export
✔️ Chess960 (Fischer Random) support
✔️ Engine vs Engine matches — watch engines battle
✔️ Works with Chessnut electronic boards
🎨 Beautiful board themes and pieces · 🌍 14 languages · ☁️ Google Drive backup
Most features are free. Chessis Pro supports development and adds:
✔️ Unlimited game analysis
✔️ Deep analysis with higher depth and NNUE
✔️ Unlimited engine lines and playable engine lines
✔️ Mistake alerts and move strength while playing
✔️ "Why Blunder" lines
✔️ No ads
Questions or suggestions? Email us at chessimprovementapps@gmail.com — we read everything.
Let's analyze chess with Chessis!
Chessis 21.5 Update
♟️ Multiple usernamesAdd every username you play under on any site, and Chessis will automatically flip the board when your username appears in a PGN game.
Settings > Advanced Settings > Your usernames
Plus bug fixes and small improvements.
Read More
Chessis Features
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Previous Versions
More
Variant
Arch
Version
DPI
215
September 13, 2026
Chessis: Chess Analysis
21.5
(215)
Requires Android: Android 5.0+
Architecture: arm64-v8a
Screen DPI: nodpi
SHA1: 8e2de94087fd06fbbf1937f5073813b07eba076a
Base APK: com.chessimprovement.chessis.apk
Split APKs: config.arm64_v8a, config.en, config.xxhdpi
Size: 10.15 MB
What's New:
♟️ Multiple usernames
Add every username you play under on any site, and Chessis will automatically flip the board when your username appears in a PGN game.
Settings > Advanced Settings > Your usernames
Plus bug fixes and small improvements.
Add every username you play under on any site, and Chessis will automatically flip the board when your username appears in a PGN game.
Settings > Advanced Settings > Your usernames
Plus bug fixes and small improvements.
arm64-v8a
Android 5.0+
nodpi
215
September 13, 2026
Chessis: Chess Analysis
21.5
(215)
Requires Android: Android 5.0+
Architecture: armeabi-v7a
Screen DPI: nodpi
SHA1: cde8783d38c191548e7089b6e2187032422dd5b7
Base APK: com.chessimprovement.chessis.apk
Split APKs: config.ar, config.armeabi_v7a, config.de, config.en, config.es, config.fr, config.hdpi, config.hi, config.in, config.it, config.ja, config.ko, config.my, config.pt, config.ru, config.th, config.tr, config.vi, config.zh
Size: 12.92 MB
What's New:
♟️ Multiple usernames
Add every username you play under on any site, and Chessis will automatically flip the board when your username appears in a PGN game.
Settings > Advanced Settings > Your usernames
Plus bug fixes and small improvements.
Add every username you play under on any site, and Chessis will automatically flip the board when your username appears in a PGN game.
Settings > Advanced Settings > Your usernames
Plus bug fixes and small improvements.
armeabi-v7a
Android 5.0+
nodpi
Requires Android: Android 5.0+
Architecture: arm64-v8a
Screen DPI: nodpi
SHA1: 0f226ddc197f5a915c67ac4d1659019031407b89
Size: 10.13 MB
What's New:
🔧 Fixes in this update
• Bots always play a move that matches their strength, even when the engine is busy.
• A second message no longer disappears when two appear at once.
• The game name and notes you type are kept while the save screen reloads.
• More small fixes and stability improvements.
✨ Recent updates also included:
• Stockfish 19 — the newest engine for analysis and bots
• Opening Explorer — see what strong players play in your position, fully offline
• Bots always play a move that matches their strength, even when the engine is busy.
• A second message no longer disappears when two appear at once.
• The game name and notes you type are kept while the save screen reloads.
• More small fixes and stability improvements.
✨ Recent updates also included:
• Stockfish 19 — the newest engine for analysis and bots
• Opening Explorer — see what strong players play in your position, fully offline
Requires Android: Android 5.0+
Architecture: armeabi-v7a
Screen DPI: nodpi
SHA1: dae9016648a008d50942042281b2a221510727d0
Size: 9.94 MB
What's New:
♟️ Stockfish 19 is now the recommended engine – download it once in Settings > Engine Settings.
📖 Opening Explorer: every book position shows an engine score. Tap it for details or try any move on the mini board.
↩️ Playing from an earlier position now asks before dropping later moves.
🔔 Board messages appear in a banner you can dismiss.
🐞 Bots no longer freeze when you look back during their turn, badges wait for the piece to land, and more fixes.
📖 Opening Explorer: every book position shows an engine score. Tap it for details or try any move on the mini board.
↩️ Playing from an earlier position now asks before dropping later moves.
🔔 Board messages appear in a banner you can dismiss.
🐞 Bots no longer freeze when you look back during their turn, badges wait for the piece to land, and more fixes.
Variant
Arch
Version
DPI
209
August 26, 2026
Chessis: Chess Analysis
20.9
(209)
Requires Android: Android 5.0+
Architecture: arm64-v8a
Screen DPI: nodpi
SHA1: f7da0eeba11deb0ce361eeef859de4f2010553a2
Base APK: com.chessimprovement.chessis.apk
Split APKs: config.ar, config.arm64_v8a, config.de, config.en, config.es, config.fr, config.hi, config.in, config.it, config.ja, config.ko, config.my, config.pt, config.ru, config.th, config.tr, config.vi, config.xxhdpi, config.zh
Size: 12.14 MB
What's New:
🛠️ Bug fixes
• Pieces no longer disappear after moving or after changing the piece theme
• Threat and pin arrows now follow the exact line of attack
• The capture effect always topples the right piece
• Pieces no longer disappear after moving or after changing the piece theme
• Threat and pin arrows now follow the exact line of attack
• The capture effect always topples the right piece
arm64-v8a
Android 5.0+
nodpi
209
August 28, 2026
Chessis: Chess Analysis
20.9
(209)
Requires Android: Android 5.0+
Architecture: arm64-v8a
Screen DPI: nodpi
SHA1: a96a211b34c99e45478bfc7468bde54bf9f71d8c
Base APK: com.chessimprovement.chessis.apk
Split APKs: config.arm64_v8a, config.en, config.xxhdpi
Size: 9.38 MB
What's New:
🛠️ Bug fixes
• Pieces no longer disappear after moving or after changing the piece theme
• Threat and pin arrows now follow the exact line of attack
• The capture effect always topples the right piece
• Pieces no longer disappear after moving or after changing the piece theme
• Threat and pin arrows now follow the exact line of attack
• The capture effect always topples the right piece
arm64-v8a
Android 5.0+
nodpi
209
August 28, 2026
Chessis: Chess Analysis
20.9
(209)
Requires Android: Android 5.0+
Architecture: armeabi-v7a
Screen DPI: nodpi
SHA1: bf864f3611dd8e9f62b993298bb64f3bafb8e407
Base APK: com.chessimprovement.chessis.apk
Split APKs: config.ar, config.armeabi_v7a, config.de, config.en, config.es, config.fr, config.hdpi, config.hi, config.in, config.it, config.ja, config.ko, config.my, config.pt, config.ru, config.th, config.tr, config.vi, config.zh
Size: 12.05 MB
What's New:
🛠️ Bug fixes
• Pieces no longer disappear after moving or after changing the piece theme
• Threat and pin arrows now follow the exact line of attack
• The capture effect always topples the right piece
• Pieces no longer disappear after moving or after changing the piece theme
• Threat and pin arrows now follow the exact line of attack
• The capture effect always topples the right piece
armeabi-v7a
Android 5.0+
nodpi
More Information
Package Name:
Update Date:
2026-09-13
Latest Version:
21.5
Need Update:
Available on:
Requirements:
Android 5.0+
Report:
Safe to Download
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