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 (458) - Divisible Neighbours
by Richard (on 30. January 2026, 06:00)
762
93 %
unsolvedSudoku Variants Series (457) - Hot Arrows
by Richard (on 23. January 2026, 05:16)
1442
94 %
unsolvedSudoku Variants Series (456) - Double Decker Sandwich
by Richard (on 16. January 2026, 06:00)
1212
94 %
unsolvedSudoku Variants Series (455) - Equal split lines
by Richard (on 9. January 2026, 06:00)
1102
95 %
unsolvedSudoku Variants Series (454) - Little Thermometers
by Richard (on 2. January 2026, 06:00)
1262
94 %
unsolvedSudoku Variants Series (453) - S-Doku
by Richard (on 26. December 2025, 06:00)
1392
95 %
unsolvedSudoku Advent (Extra) - Thx Gabi! (Delimited Kropki)
by Richard (on 25. December 2025, 06:00)
1482
91 %
unsolvedEasy Peasy Sudoku Advent (24) - Delimited Kropki
by Richard (on 24. December 2025, 06:00)
1911
92 %
unsolvedEasy Peasy Sudoku Advent (23) - Parity Poopers
by Richard (on 23. December 2025, 06:00)
1452
92 %
unsolvedHSSC Appetizer (4) - Anti Knight
by Richard (on 22. December 2025, 06:00)
1612
89 %
unsolvedEasy Peasy Sudoku Advent (22) - Summing Up
by Richard (on 22. December 2025, 06:00)
1092
90 %
unsolvedEasy Peasy Sudoku Advent (21) - Cage Relations
by Richard (on 21. December 2025, 06:00)
1142
91 %
unsolvedHSSC Appetizer (3) - Weiqi
by Richard (on 20. December 2025, 06:00)
503
92 %
unsolvedEasy Peasy Sudoku Advent (20) - Assorted Sandwiches
by Richard (on 20. December 2025, 06:00)
1762
94 %
unsolvedEasy Peasy Sudoku Advent (19) - Little Palindromes
by Richard (on 19. December 2025, 06:00)
1912
95 %
unsolvedHSSC Appetizer (2) - Sudoku XV
by Richard (on 18. December 2025, 06:00)
1203
88 %
unsolvedEasy Peasy Sudoku Advent (18) - Snake
by Richard (on 18. December 2025, 06:00)
2021
91 %
unsolvedEasy Peasy Sudoku Advent (17) - Sum and product killer
by Richard (on 17. December 2025, 06:00)
1711
92 %
unsolvedHSSC Appetizer (1) - Sudoku Mathrax
by Richard (on 16. December 2025, 06:00)
1243
95 %
unsolvedEasy Peasy Sudoku Advent (16) - Y-Sums
by Richard (on 16. December 2025, 06:00)
1512
97 %
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