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 | |
|---|---|---|---|
 | Toroidal sudoku I by Richard (on 1. April 2009, 20:53) | 167 |  79 % |
| Toroidal sudoku II by Richard (on 1. April 2009, 20:53) | 144 | 82 % |
| Twin Killer II by Richard (on 25. March 2009, 10:19) | 148 |  95 % |
| Jigsaw Sudoku II by Richard (on 17. March 2009, 14:44) | 123 | 90 % |
| Route II by Richard (on 4. February 2009, 21:51) | 191 | 87 % |
| Route I by Richard (on 4. February 2009, 21:49) | 262 |  77 % |
| Jigsaw Sudokakuro by Richard (on 30. January 2009, 20:35) | 180 | 91 % |
| Twin Killer Sudoku by Richard (on 23. January 2009, 10:36) | 138 | 95 % |
| Kombisudoku: Chaos - Pünktchen by Richard (on 11. January 2009, 20:28) | 125 | 93 % |
| Twin Killer Sudoku 2008-2009 by Richard (on 1. January 2009, 00:01) | 167 | 93 % |
| ABCtje für Georg und Jörg by Richard (on 10. December 2008, 00:00) | 134 | 76 % |
| Pünktchen Sudoku 2 by Richard (on 1. December 2008, 11:06) | 165 | 88 % |
| Pentomino LM by Richard (on 29. November 2008, 09:34) | 148 |  70 % |
| Pünktchen Sudoku 0 by Richard (on 16. November 2008, 21:11) | 213 | 90 % |
| ABCtje der Teilnehmer der DSM 2008 by Richard (on 10. November 2008, 13:30) | 124 | 80 % |
| Diagonal Chaos by Richard (on 5. November 2008, 20:56) | 164 | 85 % |
| Jigsaw sudoku LM by Richard (on 5. November 2008, 14:04) | 154 | 84 % |
| Pentomino by Richard (on 1. November 2008, 12:35) | 204 | 68 % |
| ABCtje by Richard (on 1. November 2008, 12:30) | 173 | 80 % |
