A Sudoku trainer / solver / generator.

This repository contains a full-blown sudoku trainer / solver / generator which allows training of various techniques to solve sudoku puzzles.

Features

• different types of sudoku puzzles (classic 9x9, 6x6, 4x4, jigsaw)
• various logical solving techniques
  • 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)
  • wings (xy-wing, xyz-wing, w-wing)
  • chains (remote pair, x-chain, xy-chain)
• all possible solution steps
• brute force solver
• rating mechanism
• puzzle generator
• visual explanation of each solution step
• much more ...

Getting Started

The app requires a working Java 11 installation on your computer.

To run the app, simply type:

./gradlew run

Screenshots

Copyright (c) 2020 Thomas Neidhart