The king
The most important piece.
Chess basics
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- Daily Chess Puzzle: Puzzle of the Day
- Learn Chess: Free Interactive Lessons
- Chess guides for beginners
- Chess Openings: Explorer & Guides A–Z
- Free Chess Tools: Rating Calculators, Clock & More
- World chess rankings
- Solo Chess: Free Single-Player Chess Puzzles
- Guess the Elo
- Chess Grid daily trivia
- Duck Chess: Rules & Free Online Play
- Fog of War Chess: Rules & Free Play
- Vote Chess — play as a team with the community
- Free Online Chess Tournaments Every Hour
- Free Chess Analysis Board with Stockfish