12 x Introduction (1.00 avg depth)
21 x Capturing Free Pieces (1.00 avg depth)
23 x Counting Attackers and Defenders (1.74 avg depth)
15 x Piece Protection/Intro to Defense (1.00 avg depth)
67 x Assorted Checkmates in 1 (1.00 avg depth)
48 x Fork (1.96 avg depth)
46 x Pin (1.65 avg depth)
21 x Skewer (2.00 avg depth)
21 x Discovered Attack (1.90 avg depth)
27 x Discovered Check and Double Check (1.74 avg depth)
21 x Removing the Guard (1.90 avg depth)
21 x In-Between/Intermediate Move (1.95 avg depth)
22 x Decoy (2.05 avg depth)
21 x Overloaded (2.00 avg depth)
21 x X-Ray (1.62 avg depth)
21 x Interference (1.67 avg depth)
21 x Trapping Pieces (1.00 avg depth)
33 x Defense/Recognizing the Threat (1.00 avg depth)
60 x Assorted Checkmates in 2 (2.00 avg depth)
85 x Themed Checkmate Patterns (2.16 avg depth)
81 x Combinations/Setting Up Tactics (2.63 avg depth)
64 x Finish Like the World Champions - Test (1.75 avg depth)
7 x Reference Lines (1.00 avg depth)
