Region queens
Place one queen in each row, column and region. Queens must not touch, even at a corner.
Example
Example
The letters identify the regions. Select the queen to see which squares it rules out.
Each row, column and lettered region needs exactly one queen.
Queens cannot touch along an edge or at a corner. A longer diagonal is allowed. This differs from Eight queens.
5 × 5 · Find the only available square.
0 of 4 solved on this device
1 puzzle · No time limit
One answer, reached by reasoning alone. No guessing.
On by default unless you turn it off. Saved choices are kept. Shares starts, completions, replays and error categories. For ChatGPT visits, starts and completions may include the first QuickenBrain page and country. No answers, drawings or names.
How this data is usedHelp
Place one queen in each row, column and region. Queens must not touch, even at a corner.
Choose a difficulty, then select Start. Hints first show where to look. You decide whether to reveal the reasoning or apply a step. Undo and redo let you revise your work.
Saved on this device
About this practice
Place one queen in each row, column and region. Queens must not touch, even at a corner.
Report a problem
On by default unless you turn it off. Saved choices are kept. Shares starts, completions, replays and error categories. For ChatGPT visits, starts and completions may include the first QuickenBrain page and country. No answers, drawings or names.
How this data is used