Logic Masters Deutschland e.V.

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 (420) - Entropic Lines
by Richard (on 18. April 2025, 12:00)
1262
95 %
unsolvedSudoku Variants Series (419) - Dutch Whisper Lines
by Richard (on 11. April 2025, 12:00)
972
94 %
unsolvedSudoku Variants Series (418) - Sum and Product Killer
by Richard (on 4. April 2025, 12:00)
694
96 %
unsolvedDutch Quali 25 appetizer (3) - Sudoku Sandwich
by Richard (on 3. April 2025, 06:00)
782
94 %
unsolvedSudoku Variants Series (417) - Sum or Product Killer
by Richard (on 28. March 2025, 12:00)
823
93 %
unsolvedDutch Quali 25 appetizer (2) - Sudoku Outside
by Richard (on 28. March 2025, 06:00)
752
92 %
unsolvedDutch Quali 25 appetizer (1) - Sudoku Ascending starters
by Richard (on 26. March 2025, 06:10)
513
94 %
unsolvedSudoku Variants Series (416) - Product Killer
by Richard (on 21. March 2025, 12:00)
1012
92 %
unsolvedSudoku Variants Series (415) - Parity Poopers
by Richard (on 14. March 2025, 12:00)
654
96 %
unsolvedSudoku Variants Series (414) - Derivative Arrows
by Richard (on 7. March 2025, 12:00)
643
95 %
unsolvedSudoku Variants Series (413) - Cloned Inequality
by Richard (on 28. February 2025, 12:00)
663
92 %
unsolvedSudoku Variants Series (412) - Dutch Flat Mates
by Richard (on 21. February 2025, 12:00)
1402
90 %
unsolvedSudoku Variants Series (411) - Position Sandwich
by Richard (on 14. February 2025, 12:00)
832
96 %
unsolvedHappy birthday Lizzy!
by Richard (on 12. February 2025, 00:00)
962
92 %
unsolvedSudoku Variants Series (410) - Tens Digits
by Richard (on 7. February 2025, 12:00)
972
93 %
unsolvedSudoku Variants Series (409) - Bouncing X-Sums
by Richard (on 31. January 2025, 12:00)
983
91 %
unsolvedSudoku Variants Series (408) - Greater grey consecutives
by Richard (on 24. January 2025, 12:00)
902
94 %
unsolvedSudoku Variants Series (407) - Citywalk
by Richard (on 17. January 2025, 12:00)
1911
92 %
unsolvedSudoku Variants Series (406) - Cold Arrows
by Richard (on 10. January 2025, 12:00)
954
93 %
unsolvedSudoku Variants Series (405) - Weiqi
by Richard (on 3. January 2025, 12:00)
981
91 %
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