Opening principles
Center, development, king safety.
Openings
Explore Chessyo
- Play Chess: Online, vs Computer or a Friend
- Play Chess Online Free: Live Blitz & Rapid
- Play Chess Against the Computer — Free, No Sign-Up
- Chess Puzzles: Free Rated Tactics Trainer
- 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