"棋經" is a wisdom and strategy book written by Zhang, Ni. In the book, the author shares his own knowledge about the game of chess and the important principles of a successful game. The book is aimed both at beginners who are just learning to play chess, and at experienced players who want to improve their level of play. With this book, readers will be able to improve their strategy, develop analytical thinking and achieve success in the game of chess. The publication "棋經" will become an integral part of the library of every chess player.