The new definitive standard on opening play, this comprehensive guide covers every important chess opening and variation ever played and currently in vogue - more than three thousand opening strategies!  Differing from books that rely exclusively on bare notation, SCO features substantial discussion and analysis on each opening so that you understand the key opening concepts.  More than 250 completely annotated games (including a game representative of each major opening), and one thousand diagrams make this the standard reference book on openings.  784 pages