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)
1362
96 %
unsolvedSudoku Variants Series (419) - Dutch Whisper Lines
by Richard (on 11. April 2025, 12:00)
1052
93 %
unsolvedSudoku Variants Series (418) - Sum and Product Killer
by Richard (on 4. April 2025, 12:00)
854
96 %
unsolvedDutch Quali 25 appetizer (3) - Sudoku Sandwich
by Richard (on 3. April 2025, 06:00)
892
94 %
unsolvedSudoku Variants Series (417) - Sum or Product Killer
by Richard (on 28. March 2025, 12:00)
913
93 %
unsolvedDutch Quali 25 appetizer (2) - Sudoku Outside
by Richard (on 28. March 2025, 06:00)
882
92 %
unsolvedDutch Quali 25 appetizer (1) - Sudoku Ascending starters
by Richard (on 26. March 2025, 06:10)
583
93 %
unsolvedSudoku Variants Series (416) - Product Killer
by Richard (on 21. March 2025, 12:00)
1122
92 %
unsolvedSudoku Variants Series (415) - Parity Poopers
by Richard (on 14. March 2025, 12:00)
734
96 %
unsolvedSudoku Variants Series (414) - Derivative Arrows
by Richard (on 7. March 2025, 12:00)
723
96 %
unsolvedSudoku Variants Series (413) - Cloned Inequality
by Richard (on 28. February 2025, 12:00)
743
93 %
unsolvedSudoku Variants Series (412) - Dutch Flat Mates
by Richard (on 21. February 2025, 12:00)
1512
90 %
unsolvedSudoku Variants Series (411) - Position Sandwich
by Richard (on 14. February 2025, 12:00)
882
96 %
unsolvedHappy birthday Lizzy!
by Richard (on 12. February 2025, 00:00)
1022
93 %
unsolvedSudoku Variants Series (410) - Tens Digits
by Richard (on 7. February 2025, 12:00)
1062
93 %
unsolvedSudoku Variants Series (409) - Bouncing X-Sums
by Richard (on 31. January 2025, 12:00)
1013
92 %
unsolvedSudoku Variants Series (408) - Greater grey consecutives
by Richard (on 24. January 2025, 12:00)
952
94 %
unsolvedSudoku Variants Series (407) - Citywalk
by Richard (on 17. January 2025, 12:00)
1981
92 %
unsolvedSudoku Variants Series (406) - Cold Arrows
by Richard (on 10. January 2025, 12:00)
1024
93 %
unsolvedSudoku Variants Series (405) - Weiqi
by Richard (on 3. January 2025, 12:00)
1081
91 %
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