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
unsolvedSudoku Variants Series (403) - Downhill
by Richard (on 20. December 2024, 12:00)
983
93 %
unsolvedPositional X-Sums (a.k.a. Teleportation Sums)
by Richard (on 13. December 2024, 12:00)
802
90 %
unsolvedSudoku Variants Series (402) - Search 8 or 9
by Richard (on 6. December 2024, 12:00)
1003
93 %
unsolvedSudoku Variants Series (401) - Ten Lines
by Richard (on 29. November 2024, 12:00)
983
95 %
unsolvedSudoku Variants Series (400) - Upper right heavy killer
by Richard (on 22. November 2024, 00:00)
1083
95 %
unsolvedSudoku Variants Series (399) - Odd-Even Box Multiplication
by Richard (on 15. November 2024, 12:00)
812
89 %
unsolvedDutch Quali 24 appetizer: Sudoku - Round Off
by Richard (on 29. February 2024, 20:00)
742
90 %
unsolvedDutch Quali 24 appetizer: Pentapa
by Richard (on 29. February 2024, 20:00)
682
96 %
unsolvedDutch Quali 23 appetizer: Numbered Rooms
by Richard (on 8. March 2023, 11:30)
2132
96 %
unsolvedSudoku Variants Series (398) - Sums next to 1 and 9
by Richard (on 28. December 2022, 06:00)
1263
95 %
unsolvedSquares of Parity Sudoku
by Richard (on 21. December 2022, 06:00)
574
95 %
unsolvedSudoku Variants Series (397) - X-Sums - average
by Richard (on 14. December 2022, 05:30)
1692
95 %
unsolvedSudoku Variants Series (396) - N-Sums - Odd Counter
by Richard (on 7. December 2022, 06:01)
853
94 %
unsolvedSudoku Variants Series (395) - Scattered Sums
by Richard (on 30. November 2022, 02:00)
1183
94 %
unsolvedSudoku Variants Series (394) - Offset 1 and 9
by Richard (on 23. November 2022, 02:00)
1273
92 %
unsolvedSudoku Variants Series (393) - Region Sum Lines
by Richard (on 16. November 2022, 02:01)
1333
91 %
unsolvedSudoku Variants Series (392) - Crack the cages
by Richard (on 9. November 2022, 02:00)
1153
93 %
unsolvedSudoku Variants Series (391) - Two arrows in one
by Richard (on 2. November 2022, 02:01)
2092
96 %
unsolvedSudoku Variants Series (390) - Double Arrows
by Richard (on 26. October 2022, 02:00)
1303
95 %
unsolvedSudoku Variants Series (389) - Heavy Arrows Sudoku
by Richard (on 19. October 2022, 02:00)
1013
93 %
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