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
unsolvedDutch Quali 24 appetizer: Sudoku - Round Off
by Richard (on 29. February 2024, 20:00)
432
90 %
unsolvedDutch Quali 24 appetizer: Pentapa
by Richard (on 29. February 2024, 20:00)
472
96 %
unsolvedDutch Quali 23 appetizer: Numbered Rooms
by Richard (on 8. March 2023, 11:30)
1862
96 %
unsolvedSudoku Variants Series (398) - Sums next to 1 and 9
by Richard (on 28. December 2022, 06:00)
1083
96 %
unsolvedSquares of Parity Sudoku
by Richard (on 21. December 2022, 06:00)
464
94 %
unsolvedSudoku Variants Series (397) - X-Sums - average
by Richard (on 14. December 2022, 05:30)
1502
94 %
unsolvedSudoku Variants Series (396) - N-Sums - Odd Counter
by Richard (on 7. December 2022, 06:01)
723
93 %
unsolvedSudoku Variants Series (395) - Scattered Sums
by Richard (on 30. November 2022, 02:00)
1063
94 %
unsolvedSudoku Variants Series (394) - Offset 1 and 9
by Richard (on 23. November 2022, 02:00)
1133
91 %
unsolvedSudoku Variants Series (393) - Region Sum Lines
by Richard (on 16. November 2022, 02:01)
1173
92 %
unsolvedSudoku Variants Series (392) - Crack the cages
by Richard (on 9. November 2022, 02:00)
1043
94 %
unsolvedSudoku Variants Series (391) - Two arrows in one
by Richard (on 2. November 2022, 02:01)
1862
97 %
unsolvedSudoku Variants Series (390) - Double Arrows
by Richard (on 26. October 2022, 02:00)
1213
95 %
unsolvedSudoku Variants Series (389) - Heavy Arrows Sudoku
by Richard (on 19. October 2022, 02:00)
903
93 %
unsolvedSudoku Variants Series (388) - Short Consecutives Sudoku
by Richard (on 12. October 2022, 02:00)
702
94 %
unsolvedSudoku Variants Series (387) - Adjacent Products Sudoku
by Richard (on 5. October 2022, 02:00)
574
93 %
unsolvedSudoku Variants Series (386) - Sudoku N-Sums - Even Counter
by Richard (on 28. September 2022, 02:00)
1133
95 %
unsolvedSudoku Variants Series (385) - Consecutive Sums Sudoku
by Richard (on 21. September 2022, 02:00)
755
98 %
unsolvedSudoku Variants Series (384) - Sudoku - Distant Relations
by Richard (on 14. September 2022, 02:00)
843
95 %
unsolvedSudoku Variants Series (383) - Entropy Sudoku
by Richard (on 7. September 2022, 06:00)
1173
93 %
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