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 (005) - Renban Sudoku by Richard (on 31. December 2013, 12:00) | 445 |  86 % |
| 2013-2014: Twin Chaos Sudoku 0~8 by Richard (on 31. December 2013, 00:00) | 91 |  95 % |
| Touching Pentominos II by Richard (on 27. December 2013, 12:00) | 135 |  95 % |
| Sudoku Variants Series (004) - Position Sudoku by Richard (on 24. December 2013, 12:00) | 364 | 89 % |
| Decorated Christmas Tree by Richard (on 20. December 2013, 12:00) | 48 | 97 % |
| Sudoku Variants Series (003) - Search Nine Sudoku by Richard (on 17. December 2013, 12:00) | 550 | 89 % |
| BoS-Leftover (6) - Missing Arrow Sudoku by Richard (on 13. December 2013, 12:00) | 125 | 92 % |
| BoS-Leftover (5) - Sudoku XV by Richard (on 12. December 2013, 12:00) | 182 | 88 % |
| BoS-Leftover (4) - Odd/Even Skyscraper Sudoku by Richard (on 11. December 2013, 12:00) | 125 | 92 % |
| Sudoku Variants Series (002) - No Touch Sudoku by Richard (on 10. December 2013, 12:00) | 471 | 84 % |
| BoS-Leftover (3) - Between Sudoku by Richard (on 9. December 2013, 12:00) | 134 | 87 % |
| BoS-Leftover (2) - Sundoku by Richard (on 8. December 2013, 12:00) | 114 | 91 % |
| BoS-Leftover (1) - Give me Five by Richard (on 7. December 2013, 21:00) | 116 | 85 % |
| Touching Pentominos by Richard (on 6. December 2013, 12:00) | 134 | 94 % |
| Sudoku Variants Series (000) - Classic Sudoku by Richard (on 3. December 2013, 12:00) | 479 | 80 % |
| Sudoku Variants Series (001) - Odd Sudoku by Richard (on 3. December 2013, 12:00) | 551 | 81 % |
| Non Consecutive Killer Sudoku (II) by Richard (on 29. November 2013, 12:00) | 141 | 89 % |
| Arrow Sudoku II by Richard (on 22. November 2013, 12:00) | 94 | 88 % |
| Bosnian Road II by Richard (on 15. November 2013, 12:00) | 121 | 83 % |
| Beijing Leftover - Filled Loop by Richard (on 8. November 2013, 12:00) | 93 | 93 % |
