1. Clicking the Mouse in this Slide-Show has the same effect as Clicking the “Show Last Elim” button in Version 3.0 of the Sudoku-Help+Solver, where it highlights the Last Elimination it performed. Sudoku-Help+Solver Version 3.0 - Show Last Elimination Feature

2. Clicking the “Show Last Elim” button again will show the Previous Elimination it performed. Sudoku-Help+Solver Version 3.0 - Show Last Elimination Feature

3. Sometimes one or more of the Rule Defining Cells will have had one or more of its candidate values already removed by an elimination. In this case (76) has had 7 removed. Sudoku-Help+Solver Version 3.0 - Show Last Elimination Feature

4. Note: A bug in Version 1.1 of the Sudoku-Help+Solver, used to prepare the images in the online Tutorial, meant it missed the elimination of 7 from (65) which Version 3.0 does not miss.

5. Note: When one (or more) of the Rule Defining Cells is one of the puzzle’s given values, it is shown in Dark Green to distinguish it from the others, as is the case for cells (54) & (85) here. Sudoku-Help+Solver Version 3.0 - Show Last Elimination Feature

6. Note: The Orange Box in the bottom right corner always shows an abbreviation for the Solving Rule being used and what Values were eliminated. Sudoku-Help+Solver Version 3.0 - Show Last Elimination Feature

7. Note: Two values for the SHD Rating are shown; the one on the left is calculated according to the original algorithm and the one on the right is based on the new Version 3.0 algorithm.

8. This feature alone makes Version 3.0 of Sudoku-Help-Plus a “must buy” for anyone wanting to learn how to recognise for themselves the various Solving Rules described on this Website. Sudoku-Help+Solver Version 3.0 - Show Last Elimination Feature

9. Note: This is really a Locked-Pair in {69}, but as each rule is re-run until it can’t find any more instances, in Locked-Triples mode it sees {69}, {69} & {89} as a Locked-Triple.

10. Sudoku-Help+Solver Version 3.0 - Show Last Elimination Feature

12. The display returns to normal when there are no more eliminations to show you, or whenever you Click the “Clear it” button. Sudoku-Help+Solver Version 3.0 - Show Last Elimination Feature