"棋經" by Ni Zhang is an insightful and comprehensive guide to the game of chess. The author breaks down the complex strategies and techniques involved in playing chess, making it accessible to both beginners and experienced players alike. With clear explanations and practical examples, Ni Zhang provides readers with a solid foundation for improving their game. Whether you're looking to sharpen your skills or just starting out, this book is a valuable resource for any chess enthusiast. Highly recommended for anyone looking to take their chess game to the next level.