Richard
Richard is one of the most productive authors in the puzzle portal. His specialty are Sudoku variants and ABCtjes, but he also likes using Pentominoes in his puzzles. Richards puzzles are very popular: almost all of his puzzles are rated above 80%, and they cover the whole difficulty range. Enjoy Richard's puzzle creations!
| Description | solved | Rating | |
|---|---|---|---|
 | Sudoku Variants Series (047) - Prime Killer by Richard (on 21. October 2014, 00:00) | 155 |  95 % |
| Domino Loop (III) by Richard (on 17. October 2014, 12:00) | 56 | 93 % |
| Sudoku Variants Series (046) - Anti Knight by Richard (on 14. October 2014, 05:41) | 220 |  88 % |
| Pento Parade Leftover (5) - Pentapa by Richard (on 10. October 2014, 12:00) | 100 | 92 % |
| Pento Parade Leftover (4) - Mini Pento Loops by Richard (on 9. October 2014, 12:00) | 83 | 93 % |
| Pento Parade Leftover (3) - Pentomino Word Search by Richard (on 8. October 2014, 12:00) | 80 | 86 % |
| Sudoku Variants Series (045) - Quadruple Sudoku by Richard (on 7. October 2014, 00:00) | 209 | 85 % |
| Pento Parade Leftover (2) - Pentomino Yajilin by Richard (on 6. October 2014, 12:00) | 92 | 93 % |
| Pento Parade Leftover (1) - Pentopia by Richard (on 5. October 2014, 12:00) | 108 | 93 % |
| Sum Pentominos by Richard (on 3. October 2014, 12:00) | 100 |  85 % |
| Sudoku Variants Series (044) - Number 5 is alive by Richard (on 30. September 2014, 00:00) | 165 | 92 % |
| Toroidal Sudoku (VI) by Richard (on 26. September 2014, 12:00) | 62 | 90 % |
| Sudoku Variants Series (043) - Sudoku Low by Richard (on 23. September 2014, 00:00) | 382 | 82 % |
| Spiral City Construction (III) by Richard (on 19. September 2014, 12:00) | 72 | 95 % |
| Sudoku Variants Series (042) - Mathdoku by Richard (on 16. September 2014, 00:00) | 168 | 93 % |
| Pento Nurikabe by Richard (on 12. September 2014, 12:00) | 74 | 84 % |
| Sudoku Variants Series (041) - Thermometer by Richard (on 9. September 2014, 00:00) | 181 | 89 % |
| Pentapa by Richard (on 5. September 2014, 12:00) | 102 | 91 % |
| Sudoku Variants Series (040) - Mathrax Sudoku by Richard (on 2. September 2014, 00:00) | 210 | 90 % |
| Twin Killer Sudoku VI by Richard (on 29. August 2014, 12:00) | 80 |  96 % |
