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 | |
|---|---|---|---|
 | Pünktchen Sudoku 3 by Richard (on 6. June 2009, 23:45) | 130 |  90 % |
| Twin Killer für Anfänger - mit Lösungshinweisen by Richard (on 31. May 2009, 18:18) | 261 |  86 % |
| Chaos Windoku I by Richard (on 23. May 2009, 21:59) | 166 | 90 % |
| Chaos Windoku II by Richard (on 23. May 2009, 21:59) | 154 |  89 % |
| Windoku by Richard (on 23. May 2009, 21:54) | 175 |  85 % |
| Japanische Pentominos II by Richard (on 18. May 2009, 21:19) | 122 | 90 % |
| Japanische Pentominos I by Richard (on 18. May 2009, 21:19) | 131 | 88 % |
| Rundwegraetsel Varia: Pentomino by Richard (on 8. May 2009, 17:04) | 149 | 89 % |
| Diagonal Chaos Sudoku by Richard (on 8. May 2009, 17:00) | 134 | 88 % |
| Differenz sudoku by Richard (on 8. May 2009, 17:00) | 128 | 90 % |
| Pünktchen Sudoku 1 by Richard (on 28. April 2009, 22:08) | 186 | 91 % |
| Knapp Daneben Twin Killer Sudoku by Richard (on 24. April 2009, 10:56) | 79 | 94 % |
| Toroidal sudoku I by Richard (on 1. April 2009, 20:53) | 167 | 79 % |
| Toroidal sudoku II by Richard (on 1. April 2009, 20:53) | 143 | 82 % |
| Twin Killer II by Richard (on 25. March 2009, 10:19) | 147 | 95 % |
| Jigsaw Sudoku II by Richard (on 17. March 2009, 14:44) | 123 | 90 % |
| Route II by Richard (on 4. February 2009, 21:51) | 189 | 87 % |
| Route I by Richard (on 4. February 2009, 21:49) | 259 |  77 % |
| Jigsaw Sudokakuro by Richard (on 30. January 2009, 20:35) | 180 | 91 % |
| Twin Killer Sudoku by Richard (on 23. January 2009, 10:36) | 137 | 95 % |
