17 x Chapter 1: Major Tactical Ideas (1.18 avg depth)
113 x Chapter 2: Elementary Puzzles (1.73 avg depth)
67 x Chapter 3: Checkmates (3.48 avg depth)
275 x Chapter 4: Intermediate and Advanced Puzzles (3.72 avg depth)
81 x Chapter 5: Tests 1-5 (3.79 avg depth)
87 x Chapter 6: Puzzles from Old Soviet Championships (3.76 avg depth)
90 x Chapter 7: Find the Wrong Move! (2.14 avg depth)
81 x Chapter 8: Tests 6-10 (3.80 avg depth)
82 x Chapter 9: Endgame Puzzles (4.09 avg depth)
81 x Chapter 10: Tests 11-15 (3.72 avg depth)
103 x Chapter 11: The Ultimate Challenge (7.15 avg depth)