17 Queens Puzzle - Expert Level

High-level expert challenge! The 17 queens puzzle reaches 95,815,104 possible solutions approaching one hundred million. Advanced pruning techniques and heuristics are indispensable for efficient enumeration.

What is the 17 Queens Puzzle?

The 17 Queens Puzzle demands placing 17 queens on a 17x17 board with no two queens attacking each other. Its 95,815,104 possible solutions put it at the frontier of one hundred million, requiring advanced search tree pruning and variable ordering heuristics to solve efficiently.

Logical Thinking

Develop logical reasoning skills by analyzing possible queen positions and anticipating conflicts.

Problem Solving

Enhance problem-solving abilities through strategic thinking and planning.

Algorithmic Thinking

Learn fundamental algorithm concepts like backtracking and optimization.

Why Play the Puzzle?

92 Unique Solutions

Discover all 92 distinct solutions for the 8x8 board. Each one offers unique insights into the problem.

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Interactive Practice

Play on an interactive board with instant visual feedback. Learn from mistakes and improve your strategy.

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Learning Guides

Learn strategies, algorithms, and advanced techniques to solve the puzzle efficiently.

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Explore All Variations

Discover different board sizes and difficulty levels of the queens puzzle.

8 Queen Puzzle

The classic 8 queens puzzle with all 92 solutions.

Explore

N Queens Puzzle

Generalized variations of the N queens puzzle.

Explore

Complete Solutions

Complete database of solutions for all board sizes.

Explore

4 Queens - Beginner

Perfect for beginners with only 2 solutions.

Play 4x4

6 Queens - Advanced

Advanced level requiring complex strategies.

Play 6x6

15 Queens - Master

The most complex challenge with thousands of solutions.

Play 15x15