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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

Todo ⏳

More engines might be available with a different launch mode.
Random Chess (Chess960)
Make engine use Chess960 chess variant
Engine ELO (500 - 3200)
Higher number, stronger engine

Advanced Elo

Settings for engine behaviour fine tuning

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Enable
Enable the advanced elo settings
Regular
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 (1 - 500)
How many arrows will show up
Max Movetime (ms)
1000ms is 1 second
Visual 👁️‍🗨️
Rendering
Renders various metrics

Rendering Settings

Display various metrics on the board

Render On External Site
Render on chess site's board (e.g. chess.com's board)
Square
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
Piece
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
Get feedback on your moves

Feedback Settings

Get feedback on your moves (Beta)

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)
Moves
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

Feature is in Beta. Currently not good in middle-/endgames!

Learn more about these features here.
Move Delay (ms)
Show the move arrows after this time
Arrow opacity (1 - 100%)
Change the opacity of the arrows
Primary Arrow Color
The best move color
Secondary Arrow Color
Other moves' color
Opponent Arrow Color
Opponent color
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
Reverse Side
Calculates the opponent's best moves
Floating Panel
Stops A.C.A.S from freezing!
Audible 🔊
Move TTS
Hear best moves
TTS speed (1 - 100)
Higher number, faster speed
Miscellaneous
Theme Color
Board Color