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
newSudoku Variants Series (459) - Distance Sums
by Richard (yesterday, 06:00)
572
96 %
unsolvedSudoku Variants Series (458) - Divisible Neighbours
by Richard (on 30. January 2026, 06:00)
462
94 %
unsolvedSudoku Variants Series (457) - Hot Arrows
by Richard (on 23. January 2026, 05:16)
1182
93 %
unsolvedSudoku Variants Series (456) - Double Decker Sandwich
by Richard (on 16. January 2026, 06:00)
932
95 %
unsolvedSudoku Variants Series (455) - Equal split lines
by Richard (on 9. January 2026, 06:00)
932
95 %
unsolvedSudoku Variants Series (454) - Little Thermometers
by Richard (on 2. January 2026, 06:00)
1032
93 %
unsolvedSudoku Variants Series (453) - S-Doku
by Richard (on 26. December 2025, 06:00)
1132
95 %
unsolvedSudoku Advent (Extra) - Thx Gabi! (Delimited Kropki)
by Richard (on 25. December 2025, 06:00)
1342
91 %
unsolvedEasy Peasy Sudoku Advent (24) - Delimited Kropki
by Richard (on 24. December 2025, 06:00)
1661
93 %
unsolvedEasy Peasy Sudoku Advent (23) - Parity Poopers
by Richard (on 23. December 2025, 06:00)
1312
92 %
unsolvedHSSC Appetizer (4) - Anti Knight
by Richard (on 22. December 2025, 06:00)
1382
89 %
unsolvedEasy Peasy Sudoku Advent (22) - Summing Up
by Richard (on 22. December 2025, 06:00)
942
91 %
unsolvedEasy Peasy Sudoku Advent (21) - Cage Relations
by Richard (on 21. December 2025, 06:00)
972
92 %
unsolvedHSSC Appetizer (3) - Weiqi
by Richard (on 20. December 2025, 06:00)
413
92 %
unsolvedEasy Peasy Sudoku Advent (20) - Assorted Sandwiches
by Richard (on 20. December 2025, 06:00)
1512
95 %
unsolvedEasy Peasy Sudoku Advent (19) - Little Palindromes
by Richard (on 19. December 2025, 06:00)
1752
95 %
unsolvedHSSC Appetizer (2) - Sudoku XV
by Richard (on 18. December 2025, 06:00)
1053
88 %
unsolvedEasy Peasy Sudoku Advent (18) - Snake
by Richard (on 18. December 2025, 06:00)
1781
91 %
unsolvedEasy Peasy Sudoku Advent (17) - Sum and product killer
by Richard (on 17. December 2025, 06:00)
1521
93 %
unsolvedHSSC Appetizer (1) - Sudoku Mathrax
by Richard (on 16. December 2025, 06:00)
1133
96 %
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