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 (040) - Mathrax Sudoku by Richard (on 2. September 2014, 00:00) | 231 |  90 % |
| Twin Killer Sudoku VI by Richard (on 29. August 2014, 12:00) | 82 |  95 % |
| Sudoku Variants Series (039) - Fortress by Richard (on 26. August 2014, 00:00) | 219 | 88 % |
| Tapa by Richard (on 22. August 2014, 12:00) | 106 | 82 % |
| Sudoku Variants Series (038) - Group Sums by Richard (on 19. August 2014, 00:00) | 178 |  95 % |
| Magnets by Richard (on 15. August 2014, 12:00) | 88 | 88 % |
| Sudoku Variants Series (037) - X-Sums by Richard (on 12. August 2014, 00:00) | 512 |  91 % |
| Mathrax (2) by Richard (on 8. August 2014, 12:00) | 99 | 84 % |
| Sudoku Variants Series (036) - Non Consecutive by Richard (on 5. August 2014, 00:00) | 209 | 87 % |
| Toroidal Sudoku (V) by Richard (on 1. August 2014, 12:00) | 84 | 87 % |
| Sudoku Variants Series (035) - Box Sums by Richard (on 29. July 2014, 00:00) | 228 | 89 % |
| Twin Chaos Sudoku III by Richard (on 25. July 2014, 12:00) | 84 | 88 % |
| Sudoku Variants Series (034) - Magic Squares by Richard (on 22. July 2014, 00:00) | 220 | 89 % |
| Pentomino Minesweeper (IV) by Richard (on 18. July 2014, 12:00) | 95 | 91 % |
| Sudoku Variants Series (033) - Little Killer by Richard (on 15. July 2014, 00:00) | 185 | 95 % |
| Mathrax (1) by Richard (on 11. July 2014, 12:00) | 98 | 88 % |
| 7x7-Leftover (10) - Sum 100 (Chaos) by Richard (on 10. July 2014, 00:00) | 92 | 86 % |
| 7x7-Leftover (09) - OddMax (Scattered) by Richard (on 10. July 2014, 00:00) | 101 | 89 % |
| 7x7-Leftover (08) - Consecutive Circles (Chaos) by Richard (on 9. July 2014, 00:00) | 120 | 84 % |
| 7x7-Leftover (07) - Quad Sums (Scattered) by Richard (on 9. July 2014, 00:00) | 103 | 87 % |
