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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!

DescriptionsolvedRating
unsolvedSudoku Variants Series (080) - Sudoku 0-9
by Richard (on 9. June 2015, 00:00)
1971
80 %
unsolvedSudoku Variants Series (079) - Irregular Sudoku
by Richard (on 2. June 2015, 00:00)
1792
86 %
unsolvedSudoku Variants Series (078) - Maxed Quads
by Richard (on 26. May 2015, 00:00)
1672
89 %
unsolvedSudoku Variants Series (077) - DoubleDoku
by Richard (on 19. May 2015, 00:00)
1622
84 %
unsolvedSudoku Variants Series (076) - Pyramidal Sudoku
by Richard (on 12. May 2015, 00:00)
1523
87 %
unsolvedSudoku Variants Series (075) - Sum Sandwich
by Richard (on 5. May 2015, 00:00)
1642
88 %
unsolvedSudoku Variants Series (074) - Greater than Consecutive
by Richard (on 28. April 2015, 00:00)
1652
89 %
unsolvedSudoku Variants Series (073) - Increasing Sudoku
by Richard (on 21. April 2015, 00:00)
1622
89 %
unsolvedSudoku Variants Series (072) - Coast to Coast
by Richard (on 14. April 2015, 00:00)
1633
84 %
unsolvedSudoku Variants Series (071) - Equal Sudoku
by Richard (on 6. April 2015, 21:14)
1782
91 %
unsolvedSudoku Variants Series (070) - Between Sudoku
by Richard (on 31. March 2015, 00:00)
2921
84 %
unsolvedSudoku Variants Series (069) - Shaken Clones
by Richard (on 24. March 2015, 00:00)
1762
87 %
unsolvedSudoku Variants Series (068) - Mini Diagonals
by Richard (on 17. March 2015, 00:00)
1922
89 %
unsolvedSudoku Variants Series (067) - Battenburg
by Richard (on 10. March 2015, 00:00)
2002
90 %
unsolvedSudoku Variants Series (066) - Rhombus
by Richard (on 3. March 2015, 00:00)
1672
85 %
unsolvedSudoku Variants Series (065) - Descriptive Pairs
by Richard (on 24. February 2015, 00:00)
1772
88 %
unsolvedSudoku Variants Series (064) - Quad Max
by Richard (on 17. February 2015, 00:00)
2261
81 %
unsolvedSudoku Variants Series (063) - Frame Sudoku
by Richard (on 10. February 2015, 00:00)
1852
87 %
unsolvedSudoku Variants Series (062) - Rossini Sudoku
by Richard (on 3. February 2015, 00:00)
1982
88 %
unsolvedSudoku Variants Series (061) - Before Nine
by Richard (on 27. January 2015, 00:00)
2251
87 %
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