The 'double attack' tactic - 10 illustrative puzzles. The color of the corner disk indicates who moves first. Animated examples of this tactic can be found here.
The 'pin' tactic - 10 illustrative chess puzzles. The color of the corner disk indicates who moves first. Animated examples of this tactic can be found here.
The 'discovered attack' tactic - 10 illustrative chess puzzles. The color of the corner disk indicates who moves first. Click here for animated examples of this tactic.
