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
unsolvedSquares of Parity Sudoku
by Richard (on 21. December 2022, 06:00)
614
95 %
unsolvedSudoku Variants Series (397) - X-Sums - average
by Richard (on 14. December 2022, 05:30)
1782
95 %
unsolvedSudoku Variants Series (396) - N-Sums - Odd Counter
by Richard (on 7. December 2022, 06:01)
923
94 %
unsolvedSudoku Variants Series (395) - Scattered Sums
by Richard (on 30. November 2022, 02:00)
1273
94 %
unsolvedSudoku Variants Series (394) - Offset 1 and 9
by Richard (on 23. November 2022, 02:00)
1323
92 %
unsolvedSudoku Variants Series (393) - Region Sum Lines
by Richard (on 16. November 2022, 02:01)
1423
91 %
unsolvedSudoku Variants Series (392) - Crack the cages
by Richard (on 9. November 2022, 02:00)
1213
94 %
unsolvedSudoku Variants Series (391) - Two arrows in one
by Richard (on 2. November 2022, 02:01)
2182
96 %
unsolvedSudoku Variants Series (390) - Double Arrows
by Richard (on 26. October 2022, 02:00)
1373
96 %
unsolvedSudoku Variants Series (389) - Heavy Arrows Sudoku
by Richard (on 19. October 2022, 02:00)
1073
94 %
unsolvedSudoku Variants Series (388) - Short Consecutives Sudoku
by Richard (on 12. October 2022, 02:00)
812
93 %
unsolvedSudoku Variants Series (387) - Adjacent Products Sudoku
by Richard (on 5. October 2022, 02:00)
774
94 %
unsolvedSudoku Variants Series (386) - Sudoku N-Sums - Even Counter
by Richard (on 28. September 2022, 02:00)
1243
95 %
unsolvedSudoku Variants Series (385) - Consecutive Sums Sudoku
by Richard (on 21. September 2022, 02:00)
965
97 %
unsolvedSudoku Variants Series (384) - Sudoku - Distant Relations
by Richard (on 14. September 2022, 02:00)
933
95 %
unsolvedSudoku Variants Series (383) - Entropy Sudoku
by Richard (on 7. September 2022, 06:00)
1373
93 %
unsolvedSudoku Variants Series (382) - Parity Lines Sudoku
by Richard (on 31. August 2022, 02:00)
1482
96 %
unsolvedSudoku Variants Series (381) - Short Sandwiches Sudoku
by Richard (on 24. August 2022, 02:00)
1233
97 %
unsolvedSudoku Variants Series (380) - Virtual killer cages
by Richard (on 17. August 2022, 02:00)
683
91 %
unsolvedSudoku Variants Series (379) - Multiplarrows Sudoku
by Richard (on 10. August 2022, 02:00)
1203
95 %
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