Playful chess, logic, and math development for kids.Find more tasks and games for LogiQ Board in our new book. Opening principles should guide your first 10 moves. They include controlling the center of the board, "developing" your knights and bishops—that is, getting them into play—and castling. Castling is where a king moves two squares toward a rook, and that rook then hops over the king, landing near the middle of the board. That two-part maneuver makes the king more secure and the rook more active. Openings are probably the hardest thing for beginners to study online, since there are many initial moves that fit opening principles. The interactive chess puzzles are categorized into different categories such as easy, medium and hard. Easy chess puzzles are for beginners. Difficult chess puzzles are for advanced players. Chess puzzle collections such as mate in 1, fork puzzles are also available. These puzzles are not only challenging but also be save the girl game free online useful.