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 (405) - Weiqi
by Richard (on 3. January 2025, 12:00)
1081
91 %
unsolvedSudoku Variants Series (404) - Factor Lines
by Richard (on 27. December 2024, 10:00)
723
91 %
unsolvedSudoku - Position Sums (Leftover DSC2024)
by Richard (on 25. December 2024, 08:00)
812
95 %
unsolvedSudoku Variants Series (403) - Downhill
by Richard (on 20. December 2024, 12:00)
1083
94 %
unsolvedPositional X-Sums (a.k.a. Teleportation Sums)
by Richard (on 13. December 2024, 12:00)
882
91 %
unsolvedSudoku Variants Series (402) - Search 8 or 9
by Richard (on 6. December 2024, 12:00)
1083
93 %
unsolvedSudoku Variants Series (401) - Ten Lines
by Richard (on 29. November 2024, 12:00)
1083
96 %
unsolvedSudoku Variants Series (400) - Upper right heavy killer
by Richard (on 22. November 2024, 00:00)
1123
95 %
unsolvedSudoku Variants Series (399) - Odd-Even Box Multiplication
by Richard (on 15. November 2024, 12:00)
912
90 %
unsolvedDutch Quali 24 appetizer: Sudoku - Round Off
by Richard (on 29. February 2024, 20:00)
802
90 %
unsolvedDutch Quali 24 appetizer: Pentapa
by Richard (on 29. February 2024, 20:00)
752
95 %
unsolvedDutch Quali 23 appetizer: Numbered Rooms
by Richard (on 8. March 2023, 11:30)
2232
96 %
unsolvedSudoku Variants Series (398) - Sums next to 1 and 9
by Richard (on 28. December 2022, 06:00)
1313
95 %
unsolvedSquares of Parity Sudoku
by Richard (on 21. December 2022, 06:00)
604
95 %
unsolvedSudoku Variants Series (397) - X-Sums - average
by Richard (on 14. December 2022, 05:30)
1762
95 %
unsolvedSudoku Variants Series (396) - N-Sums - Odd Counter
by Richard (on 7. December 2022, 06:01)
893
94 %
unsolvedSudoku Variants Series (395) - Scattered Sums
by Richard (on 30. November 2022, 02:00)
1263
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)
1403
91 %
unsolvedSudoku Variants Series (392) - Crack the cages
by Richard (on 9. November 2022, 02:00)
1203
94 %
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