Change Log

[unreleased] - yyyy-mm-dd

Added

undo / redo mechanism for updating values / candidates
more solving techniques
- wings (xy-wing, xyz-wing, w-wing)
- single digit patterns (empty rectangle, turbot fish)
- finned fish (finned x-wing / swordfish / jellyfish)

Fixed

[0.1] - 2020-09-24

First release of the sudoku trainer desktop application. In this first release the following features are supported:

display of different sudoku grids (classical 9x9, 6x6, 4x4, jigsaw)
display of pencil marks (either computer or manual)
logical solving techniques with graphical display:
- singles (full house, naked & hidden singles)
- locked pairs / triples
- intersections (pointing / claiming)
- hidden pairs / triples / quadruples
- naked pairs / triples / quadruples
- basic fish (x-wing, swordfish, jellyfish)
- single digit patterns (skyscraper, 2 string kite)
- uniqueness tests (unique rectangle 1/2/4)
- chains (remote pair, x-chain, xy-chain)
training library for aforementioned techniques