♞ Chess games · free, no sign-up
Eight queens: no queen may attack another.
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How to play Eight Queens
- Tap a square to place a queen; tap it again to remove it.
- Shaded squares are already attacked.
- Fill every row with no red queens to win.
Tips and strategy
- Work row by row from the top.
- When you get stuck, move the last queen you placed (that is called backtracking).
- Corners make things harder: try the second square of the first row.
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FAQ
Eight Queens: questions
How many solutions does the eight queens puzzle have?
92. If you count rotations and reflections as the same, there are 12 basic solutions.
What is the trick to the eight queens puzzle?
Place one queen per row and backtrack when stuck: move the last queen to the next safe square.
Is there a solution for every board size?
For every size except 2 and 3.
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