What Solving Techniques does SadMan Sudoku Use?

SadMan Software Sudoku uses the following solving techniques (text in brackets indicates alternative names):

• Naked single (singleton, sole candidate)
• Hidden single (unique candidate)
• Block / column / row interactions (pointing pair)
• Block / block interactions
• Naked pair, triplet and quad (naked subset, disjoint subset)
• Hidden pair, triplet and quad (hidden subset, unique subset)
• X-Wing
• Swordfish
• XY-Wing
• XYZ-Wing
• XY-Chain
• Colouring
• Forcing chains
• Trial and error (Ariadne's thread, backtracking, guessing)

See also in what order does SadMan Sudoku use the various solving techniques?