Bài toán tám quân hậu

Place the chess pieces on the board so that no two pieces threaten each other!

The eight queens puzzle is the problem of placing eight chess queens on an 8 x 8 chessboard so that no two queens threaten each other. The eight queens puzzle is an example of the more general N queens problem of placing N non-attacking queens on an N x N chessboard.

The eight queens puzzle has 92 distinct solutions. If solutions that differ only by symmetry operations (rotations and reflections) of the board are counted as one, the puzzle has 12 fundamental solutions.

This game also has other types of puzzles, using different chess pieces.

PUZZLES:

- 8 queens

- 8 rooks

- 14 bishops

- 16 kings

- 32 knights

FEATURES:

- google play games achievements

- error highlight (optional)

- movement highlight (optional)

- smooth gameplay

- puzzle reset