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 (418) - Sum and Product Killer
by Richard (on 4. April 2025, 12:00)
654
96 %
unsolvedDutch Quali 25 appetizer (3) - Sudoku Sandwich
by Richard (on 3. April 2025, 06:00)
742
94 %
unsolvedSudoku Variants Series (417) - Sum or Product Killer
by Richard (on 28. March 2025, 12:00)
763
92 %
unsolvedDutch Quali 25 appetizer (2) - Sudoku Outside
by Richard (on 28. March 2025, 06:00)
722
92 %
unsolvedDutch Quali 25 appetizer (1) - Sudoku Ascending starters
by Richard (on 26. March 2025, 06:10)
463
93 %
unsolvedSudoku Variants Series (416) - Product Killer
by Richard (on 21. March 2025, 12:00)
972
92 %
unsolvedSudoku Variants Series (415) - Parity Poopers
by Richard (on 14. March 2025, 12:00)
604
95 %
unsolvedSudoku Variants Series (414) - Derivative Arrows
by Richard (on 7. March 2025, 12:00)
583
95 %
unsolvedSudoku Variants Series (413) - Cloned Inequality
by Richard (on 28. February 2025, 12:00)
613
91 %
unsolvedSudoku Variants Series (412) - Dutch Flat Mates
by Richard (on 21. February 2025, 12:00)
1342
90 %
unsolvedSudoku Variants Series (411) - Position Sandwich
by Richard (on 14. February 2025, 12:00)
782
95 %
unsolvedHappy birthday Lizzy!
by Richard (on 12. February 2025, 00:00)
922
93 %
unsolvedSudoku Variants Series (410) - Tens Digits
by Richard (on 7. February 2025, 12:00)
932
92 %
unsolvedSudoku Variants Series (409) - Bouncing X-Sums
by Richard (on 31. January 2025, 12:00)
933
91 %
unsolvedSudoku Variants Series (408) - Greater grey consecutives
by Richard (on 24. January 2025, 12:00)
852
94 %
unsolvedSudoku Variants Series (407) - Citywalk
by Richard (on 17. January 2025, 12:00)
1831
92 %
unsolvedSudoku Variants Series (406) - Cold Arrows
by Richard (on 10. January 2025, 12:00)
874
94 %
unsolvedSudoku Variants Series (405) - Weiqi
by Richard (on 3. January 2025, 12:00)
921
91 %
unsolvedSudoku Variants Series (404) - Factor Lines
by Richard (on 27. December 2024, 10:00)
603
92 %
unsolvedSudoku - Position Sums (Leftover DSC2024)
by Richard (on 25. December 2024, 08:00)
712
95 %
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