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
unsolvedEasy Peasy Sudoku Advent (07) - Star Battle Sandwich
by Richard (on 7. December 2025, 06:00)
1612
95 %
unsolvedEasy Peasy Sudoku Advent (06) - Cold Arrows
by Richard (on 6. December 2025, 06:00)
1641
94 %
unsolvedEasy Peasy Sudoku Advent (05) - Confetti Sums
by Richard (on 5. December 2025, 06:00)
1721
94 %
unsolvedEasy Peasy Sudoku Advent (04) - Sum or Product Frame
by Richard (on 4. December 2025, 06:00)
1452
92 %
unsolvedEasy Peasy Sudoku Advent (03) - Killer Kropki
by Richard (on 3. December 2025, 06:00)
1742
94 %
unsolvedEasy Peasy Sudoku Advent (02) - Odd-Even Thermometers
by Richard (on 2. December 2025, 06:00)
2322
94 %
unsolvedEasy Peasy Sudoku Advent (01) - Position Sums
by Richard (on 1. December 2025, 06:00)
1932
96 %
unsolvedSudoku Variants Series (452) - Sum Skyscrapers
by Richard (on 28. November 2025, 06:00)
683
97 %
unsolvedSudoku Variants Series (451) - Russian Doll Sums
by Richard (on 21. November 2025, 06:00)
733
98 %
unsolvedSudoku Variants Series (450) - Unique killer cages
by Richard (on 14. November 2025, 06:00)
1342
93 %
unsolvedSudoku Variants Series (449) - Zipper Lines ++
by Richard (on 7. November 2025, 06:00)
704
89 %
unsolvedSudoku Variants Series (448) - Coordinate arrows
by Richard (on 31. October 2025, 06:00)
1372
98 %
unsolvedSudoku Variants Series (447) - Remote German Whisper Dots
by Richard (on 24. October 2025, 06:00)
803
91 %
unsolvedSudoku Variants Series (446) - Mountain Sudoku
by Richard (on 17. October 2025, 06:00)
1043
94 %
unsolvedSudoku Variants Series (445) - Cage relations (a.k.a. XY-cages)
by Richard (on 10. October 2025, 06:00)
633
98 %
unsolvedSudoku Variants Series (444) - Easy as 369
by Richard (on 3. October 2025, 06:00)
1652
94 %
unsolvedSudoku Variants Series (443) - Diagonal consecutives
by Richard (on 26. September 2025, 06:00)
852
93 %
unsolvedSudoku Variants Series (442) - Modular Lines
by Richard (on 19. September 2025, 06:00)
753
94 %
unsolvedSudoku Variants Series (441) - Hot Potato
by Richard (on 12. September 2025, 06:00)
1073
95 %
unsolvedSudoku Variants Series (440) - Krꝏpki Dꝏts
by Richard (on 5. September 2025, 06:00)
783
94 %
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