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 (15) - Thermometers - Removed Bulbs
by Richard (on 15. December 2025, 06:00)
1233
93 %
unsolvedEasy Peasy Sudoku Advent (14) - Consecutive Sums
by Richard (on 14. December 2025, 06:00)
1842
96 %
unsolvedEasy Peasy Sudoku Advent (13) - Zipper Lines ++
by Richard (on 13. December 2025, 06:00)
1722
94 %
unsolvedEasy Peasy Sudoku Advent (12) - Greater Than X
by Richard (on 12. December 2025, 06:00)
1582
96 %
unsolvedEasy Peasy Sudoku Advent (11) - Killer Skyscrapers
by Richard (on 11. December 2025, 06:00)
1802
94 %
unsolvedEasy Peasy Sudoku Advent (10) - Product Ltd
by Richard (on 10. December 2025, 06:00)
1532
94 %
unsolvedEasy Peasy Sudoku Advent (09) - Counting Neighbours
by Richard (on 9. December 2025, 06:00)
1682
96 %
unsolvedEasy Peasy Sudoku Advent (08) - Sum Triplets
by Richard (on 8. December 2025, 06:00)
1992
94 %
unsolvedEasy Peasy Sudoku Advent (07) - Star Battle Sandwich
by Richard (on 7. December 2025, 06:00)
1792
95 %
unsolvedEasy Peasy Sudoku Advent (06) - Cold Arrows
by Richard (on 6. December 2025, 06:00)
1751
94 %
unsolvedEasy Peasy Sudoku Advent (05) - Confetti Sums
by Richard (on 5. December 2025, 06:00)
1851
94 %
unsolvedEasy Peasy Sudoku Advent (04) - Sum or Product Frame
by Richard (on 4. December 2025, 06:00)
1552
92 %
unsolvedEasy Peasy Sudoku Advent (03) - Killer Kropki
by Richard (on 3. December 2025, 06:00)
1812
94 %
unsolvedEasy Peasy Sudoku Advent (02) - Odd-Even Thermometers
by Richard (on 2. December 2025, 06:00)
2432
93 %
unsolvedEasy Peasy Sudoku Advent (01) - Position Sums
by Richard (on 1. December 2025, 06:00)
2002
96 %
unsolvedSudoku Variants Series (452) - Sum Skyscrapers
by Richard (on 28. November 2025, 06:00)
813
96 %
unsolvedSudoku Variants Series (451) - Russian Doll Sums
by Richard (on 21. November 2025, 06:00)
833
97 %
unsolvedSudoku Variants Series (450) - Unique killer cages
by Richard (on 14. November 2025, 06:00)
1462
94 %
unsolvedSudoku Variants Series (449) - Zipper Lines ++
by Richard (on 7. November 2025, 06:00)
754
88 %
unsolvedSudoku Variants Series (448) - Coordinate arrows
by Richard (on 31. October 2025, 06:00)
1612
98 %
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