Choose your tool

PUZZLES TOOL

N Queens First Solution Finder

Online n queens first solution finder. Reports the first solution only, not the number of all solutions.

◇ Browser only

Your text

Or load a UTF-8 text file

0 lines · 0 characters

ResultsReady when you are

Your results will appear here.

Copy or download your result below.

Your text stays on this device.

LESS BUSYWORK, MORE DONE

Three steps. That’s it.

A useful toolkit for text, data, images and calculations.

01
Add your input
Choose a tool, enter values or select a file.
02
Make it yours
Adjust the options and run the action.
03
Take the result
Copy the result or download its file.

n queens first solution finder online

Use n queens first solution finder online for Number of queens N. Reports the first solution only, not the number of all solutions. Bounded local puzzle processing. Search limits and supported input formats are described for each tool.

How to use it

Select Try example and follow its grid, word-list or JSON shape. Change the options if needed, select Run tool, then copy or download the JSON result.

Options and example settings

Option	Choices / value	Example default
Number of queens N	Main input. Signed finite values.	8

Calculation method

Bounded row-by-row backtracking with column and diagonal exclusions.

Worked examples

Apply n queens first solution finder to the case below, keeping the displayed units and assumptions. Reports the first solution only, not the number of all solutions.

N Queens First Solution Finder — worked case

Settings: No additional options

Input:

Calculated result for these inputs:

Output:

{
  "columns_one_based": [
    1,
    5,
    8,
    6,
    3,
    7,
    2,
    4
  ],
  "board": [
    "Q.......",
    "....Q...",
    ".......Q",
    ".....Q..",
    "..Q.....",
    "......Q.",
    ".Q......",
    "...Q...."
  ],
  "nodes": 114
}

Choose the right tool

Choose a checker to validate a supplied grid and a solver to search for answers. Generators use reproducible seeds. Read uniqueness, unplaced-word and truncation flags before treating an output as complete.

Limitations and common mistakes

Reports the first solution only, not the number of all solutions. Bounded local puzzle processing. Search limits and supported input formats are described for each tool.
Use the exact symbols, row sizes and JSON keys shown in the worked example. Check any limit or incomplete-result flags.

Frequently asked questions

How can I use n queens first solution finder online?

Select Try example and follow its grid, word-list or JSON shape. Change the options if needed, select Run tool, then copy or download the JSON result.

Where is my input processed?

The bundled tool processes input in your browser. It does not upload tool input to a conversion service. Other site plugins, analytics, advertising and browser extensions may have separate behavior.