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Heya, how you doin'? Hopefully splendid. Aaanyhow... let's crack on with the games already! Open up a chess game site and let's make some moves together! I'm here for you buddy.
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📂
💾
🗑️
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Settings affect every instance
Engine ⚙️
Enabled
Is the engine enabled
✓
Chess Engine
Read more here

Engine Settings

Please select the engine you like

Built-in Engine
External Engine

To be developed...

More engines might be available with a different launch mode.
Random Chess (Chess960)
Make engine use Chess960 chess variant
✓
Engine ELO
Higher number, stronger engine

Advanced Elo

Settings for engine behaviour fine tuning

Enable
Enable the advanced elo settings
✓
Regular settings
Elo (1320 - 3190)
Engine tries to play at this level
Depth (1 - 500)
How deep will the engine calculate
Skill Level (0 - 40)
Sets the skill level of the engine
Threads (1 - 32)
Sets how many threads a multithreaded engine will use
Hash (1 - 33554432MB)
Memory limit of the hashtable
Not supported well
Maximum Error (0 - 1000)
(No engines seem to support this)
Probability (0 - 1000)
(No engines seem to support this)
Learn more about these features here.
Move suggestions
How many arrows will show up
Max Movetime (ms)
1000ms is 1 second
Visual 👁️‍🗨️
Rendering Settings
Display various metrics on the board

Rendering Settings

Display various metrics on the board

Render On External Site
Render on chess site's board (e.g. chess.com's board)
✓
Squares
Own Piece Vision
Highlight squares your pieces see with green
✓
Enemy Piece Vision
Highlight squares enemy's pieces see with red
✓
Contested Squares
Highlight contested squares with orange
✓
Safe Squares
Highlight safe squares with cyan
✓
Pieces
Own Piece Capture
Display 💧 on pieces that are in danger of capture
✓
Enemy Piece Capture
Display 🩸 on pieces that you should attack
✓
Learn more about these features here.
Feedback Settings
Get feedback on your moves

Feedback Settings

Get feedback on your moves

Remember: Engine critiques are just comparisons to perfection.

Feedback On External Site
Show feedback on chess site's board (e.g. chess.com's board)
✓
Move feedback
Move Ratings
Show engine's thoughts about moves
✓
Rate Enemy
Give feedback on the enemy too
✓
Search Depth
How deep will the feedback engine search

This feature is experimental, it might not work well!

Learn more about these features here.
Accessibility Settings
Improve your personal experience

Accessibility Settings

Improve your personal experience

Colored Squares
Change move arrows into colored squares
✓
Move suggestion settings
Move opacity (1 - 100%)
Change the opacity of the arrows
Primary Move Color
The best move color
Secondary Move Color
Other moves' color
Opponent Arrow Color
Opponent move color
Learn more about these features here.
Move Delay (ms)
Show the move suggestions after this time
Reverse Side
Calculates the opponent's best moves
✓
Moves On Demand
Calculates moves for pieces you interact with
✓
Visual #2 👁️‍🗨️
Moves on external site
Show move arrows on chess site's board (e.g. chess.com's board)
✓
Only Own Turn
Only get move suggestions on your own turn
✓
Only top moves
Only show the best move the engine found
✓
Opponent move guess
Show the engine's guess of what move the enemy makes after you play the suggested move
✓
Constantly visible
Opponent move guess constantly visible
✓
Only Suggest Pieces
Suggest pieces to move, but give no moves
✓
Audible 🔊
Move TTS
Hear best moves
✓
TTS speed (1 - 100)
Higher number, faster speed
Miscellaneous ❔
Floating Panel
Important! Stops A.C.A.S from freezing!

Floating Panel Settings

These are mainly for Firefox users

(Note for Firefox users: Enable the 'Floating Panel' by right clicking the videostream below and select 'Watch in Picture-in-Picture'. Mobile users can try pressing down on the videostream for a second. Doing this will allow for faster calculations and more stable connection. If you don't want to see this panel every time you open A.C.A.S, disable 'Floating Panel' or start using Chrome.)

Videostream
Regular settings
Display Board
Instead of just text, display the entire board
✓
Learn more about these features here.
✓
Chess Font
Staunty
Merida
Cburnett
Letters
Bg Texture
Chess
Paper
Tartan
Boxes
Dotted
Striped
Circles
Isometric
Abstract
Watercolor
Rainbow
Theme Color
Board Color