Book excerpt: For all levels of chess players, Chess For Dummies, 3rd Edition, brings readers an updated guide to the wide world of chess. Offering easily-understood explanations of the game and its components, this book is a must have for those developing an interest or looking for an extra edge in chess. Chess For Dummies, 3rd Edition: Offers easily-understood explanations of the game and its components Provides introductory chapters and then introduces readers to different perspectives on chess from strategy and etiquette, to winning defensive and offensive secrets Contains approximately 25% new material, including updated chapters on computer chess games, playing chess online, new tournament rules and much more