1 x Introduction (1.00 avg depth)
127 x Elimination Of The Defence (3.62 avg depth)
81 x Double Attack (3.05 avg depth)
51 x Discovered Attack (3.22 avg depth)
38 x Skewer (3.53 avg depth)
64 x Pin (3.13 avg depth)
73 x Trapping A Piece (3.03 avg depth)
98 x Promotion (4.22 avg depth)
74 x Draw (4.97 avg depth)
184 x Mate (4.11 avg depth)
107 x Defending (3.74 avg depth)
154 x Mix (3.86 avg depth)
