Backtracking Engine

N-Queens Visualizer

Watch the backtracking algorithm place queens one row at a time, detect conflicts in real-time, and unwind when a dead end is reached — until all valid solutions are found.

Queen Placement

See each row decision animate live.

Conflict Detection

Invalid cells highlighted in red.

Backtracking Steps

Watch recursion unwind on failure.

Board Size (N):

Warning: Values above 8 may cause performance issues.

Step 1 of 0:

Solutions Found