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 Leftover (02) - Little Palindromes
by Richard (on 20. February 2026, 06:00)
1262
97 %
unsolvedEasy Peasy Sudoku Leftover (01) - Killer Kropki
by Richard (on 18. February 2026, 06:00)
843
95 %
unsolvedSudoku Variants Series (460) - Index Lines
by Richard (on 13. February 2026, 06:00)
1741
95 %
unsolvedSudoku Variants Series (459) - Distance Sums
by Richard (on 6. February 2026, 06:00)
1192
96 %
unsolvedSudoku Variants Series (458) - Divisible Neighbours
by Richard (on 30. January 2026, 06:00)
692
94 %
unsolvedSudoku Variants Series (457) - Hot Arrows
by Richard (on 23. January 2026, 05:16)
1412
93 %
unsolvedSudoku Variants Series (456) - Double Decker Sandwich
by Richard (on 16. January 2026, 06:00)
1132
95 %
unsolvedSudoku Variants Series (455) - Equal split lines
by Richard (on 9. January 2026, 06:00)
1072
95 %
unsolvedSudoku Variants Series (454) - Little Thermometers
by Richard (on 2. January 2026, 06:00)
1212
94 %
unsolvedSudoku Variants Series (453) - S-Doku
by Richard (on 26. December 2025, 06:00)
1302
95 %
unsolvedSudoku Advent (Extra) - Thx Gabi! (Delimited Kropki)
by Richard (on 25. December 2025, 06:00)
1452
91 %
unsolvedEasy Peasy Sudoku Advent (24) - Delimited Kropki
by Richard (on 24. December 2025, 06:00)
1841
93 %
unsolvedEasy Peasy Sudoku Advent (23) - Parity Poopers
by Richard (on 23. December 2025, 06:00)
1372
92 %
unsolvedHSSC Appetizer (4) - Anti Knight
by Richard (on 22. December 2025, 06:00)
1512
89 %
unsolvedEasy Peasy Sudoku Advent (22) - Summing Up
by Richard (on 22. December 2025, 06:00)
1032
90 %
unsolvedEasy Peasy Sudoku Advent (21) - Cage Relations
by Richard (on 21. December 2025, 06:00)
1072
92 %
unsolvedHSSC Appetizer (3) - Weiqi
by Richard (on 20. December 2025, 06:00)
453
93 %
unsolvedEasy Peasy Sudoku Advent (20) - Assorted Sandwiches
by Richard (on 20. December 2025, 06:00)
1672
95 %
unsolvedEasy Peasy Sudoku Advent (19) - Little Palindromes
by Richard (on 19. December 2025, 06:00)
1832
95 %
unsolvedHSSC Appetizer (2) - Sudoku XV
by Richard (on 18. December 2025, 06:00)
1133
88 %
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