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
newEasy Peasy Sudoku Advent (10) - Product Ltd
by Richard (today, 06:00)
202
97 %
newEasy Peasy Sudoku Advent (09) - Counting Neighbours
by Richard (yesterday, 06:00)
812
96 %
newEasy Peasy Sudoku Advent (08) - Sum Triplets
by Richard (on 8. December 2025, 06:00)
1212
94 %
newEasy Peasy Sudoku Advent (07) - Star Battle Sandwich
by Richard (on 7. December 2025, 06:00)
1012
95 %
newEasy Peasy Sudoku Advent (06) - Cold Arrows
by Richard (on 6. December 2025, 06:00)
1121
94 %
newEasy Peasy Sudoku Advent (05) - Confetti Sums
by Richard (on 5. December 2025, 06:00)
1111
95 %
newEasy Peasy Sudoku Advent (04) - Sum or Product Frame
by Richard (on 4. December 2025, 06:00)
922
94 %
unsolvedEasy Peasy Sudoku Advent (03) - Killer Kropki
by Richard (on 3. December 2025, 06:00)
1112
97 %
unsolvedEasy Peasy Sudoku Advent (02) - Odd-Even Thermometers
by Richard (on 2. December 2025, 06:00)
1672
94 %
unsolvedEasy Peasy Sudoku Advent (01) - Position Sums
by Richard (on 1. December 2025, 06:00)
1342
96 %
unsolvedSudoku Variants Series (452) - Sum Skyscrapers
by Richard (on 28. November 2025, 06:00)
533
96 %
unsolvedSudoku Variants Series (451) - Russian Doll Sums
by Richard (on 21. November 2025, 06:00)
603
98 %
unsolvedSudoku Variants Series (450) - Unique killer cages
by Richard (on 14. November 2025, 06:00)
1222
93 %
unsolvedSudoku Variants Series (449) - Zipper Lines ++
by Richard (on 7. November 2025, 06:00)
574
90 %
unsolvedSudoku Variants Series (448) - Coordinate arrows
by Richard (on 31. October 2025, 06:00)
1152
99 %
unsolvedSudoku Variants Series (447) - Remote German Whisper Dots
by Richard (on 24. October 2025, 06:00)
713
91 %
unsolvedSudoku Variants Series (446) - Mountain Sudoku
by Richard (on 17. October 2025, 06:00)
963
95 %
unsolvedSudoku Variants Series (445) - Cage relations (a.k.a. XY-cages)
by Richard (on 10. October 2025, 06:00)
503
97 %
unsolvedSudoku Variants Series (444) - Easy as 369
by Richard (on 3. October 2025, 06:00)
1522
95 %
unsolvedSudoku Variants Series (443) - Diagonal consecutives
by Richard (on 26. September 2025, 06:00)
762
93 %
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