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 (412) - Dutch Flat Mates
by Richard (on 21. February 2025, 12:00)
1442
90 %
unsolvedSudoku Variants Series (411) - Position Sandwich
by Richard (on 14. February 2025, 12:00)
872
96 %
unsolvedHappy birthday Lizzy!
by Richard (on 12. February 2025, 00:00)
1002
93 %
unsolvedSudoku Variants Series (410) - Tens Digits
by Richard (on 7. February 2025, 12:00)
1032
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)
932
94 %
unsolvedSudoku Variants Series (407) - Citywalk
by Richard (on 17. January 2025, 12:00)
1941
92 %
unsolvedSudoku Variants Series (406) - Cold Arrows
by Richard (on 10. January 2025, 12:00)
994
94 %
unsolvedSudoku Variants Series (405) - Weiqi
by Richard (on 3. January 2025, 12:00)
1051
91 %
unsolvedSudoku Variants Series (404) - Factor Lines
by Richard (on 27. December 2024, 10:00)
703
91 %
unsolvedSudoku - Position Sums (Leftover DSC2024)
by Richard (on 25. December 2024, 08:00)
772
95 %
unsolvedSudoku Variants Series (403) - Downhill
by Richard (on 20. December 2024, 12:00)
1063
93 %
unsolvedPositional X-Sums (a.k.a. Teleportation Sums)
by Richard (on 13. December 2024, 12:00)
862
91 %
unsolvedSudoku Variants Series (402) - Search 8 or 9
by Richard (on 6. December 2024, 12:00)
1073
93 %
unsolvedSudoku Variants Series (401) - Ten Lines
by Richard (on 29. November 2024, 12:00)
1053
96 %
unsolvedSudoku Variants Series (400) - Upper right heavy killer
by Richard (on 22. November 2024, 00:00)
1113
95 %
unsolvedSudoku Variants Series (399) - Odd-Even Box Multiplication
by Richard (on 15. November 2024, 12:00)
872
90 %
unsolvedDutch Quali 24 appetizer: Sudoku - Round Off
by Richard (on 29. February 2024, 20:00)
792
90 %
unsolvedDutch Quali 24 appetizer: Pentapa
by Richard (on 29. February 2024, 20:00)
702
95 %
unsolvedDutch Quali 23 appetizer: Numbered Rooms
by Richard (on 8. March 2023, 11:30)
2212
96 %
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