This serious reference work covers the essential opening theories and moves of every major chess opening and variation as played by world champions. Reading as much like an encyclopedia of the must-know openings as a powerful tool showing the insights, these are concepts and secrets used by the greatest players of all time. WCO covers an astounding one hundred variations of crucial openings in full conceptual detail with more than one hundred actual games from the champs themselves. A must-have book for serious chess players. 384 pages
