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
newEasy Peasy Sudoku Leftover (08) - Sum or Product Frame
by Richard (on 13. March 2026, 06:00)
612
95 %
newEasy Peasy Sudoku Leftover (07) - Zipper Lines ++
by Richard (on 11. March 2026, 06:00)
572
93 %
unsolvedEasy Peasy Sudoku Leftover (06) - Confetti Sums
by Richard (on 6. March 2026, 06:00)
583
92 %
unsolvedDutch Quali 26 appetizer - Sudoku Sandwiched N-Sums
by Richard (on 4. March 2026, 06:00)
522
94 %
unsolvedEasy Peasy Sudoku Leftover (05) - Thermometers - Removed bulbs
by Richard (on 4. March 2026, 06:00)
542
93 %
unsolvedEasy Peasy Sudoku Leftover (04) - Cage Relations
by Richard (on 27. February 2026, 06:00)
502
95 %
unsolvedDutch Quali 26 appetizer - Sudoku Position Sums
by Richard (on 25. February 2026, 06:02)
472
95 %
unsolvedEasy Peasy Sudoku Leftover (03) - Killer Skyscrapers
by Richard (on 25. February 2026, 06:00)
793
96 %
unsolvedEasy Peasy Sudoku Leftover (02) - Little Palindromes
by Richard (on 20. February 2026, 06:00)
1152
96 %
unsolvedEasy Peasy Sudoku Leftover (01) - Killer Kropki
by Richard (on 18. February 2026, 06:00)
733
95 %
unsolvedSudoku Variants Series (460) - Index Lines
by Richard (on 13. February 2026, 06:00)
1481
95 %
unsolvedSudoku Variants Series (459) - Distance Sums
by Richard (on 6. February 2026, 06:00)
1112
96 %
unsolvedSudoku Variants Series (458) - Divisible Neighbours
by Richard (on 30. January 2026, 06:00)
622
93 %
unsolvedSudoku Variants Series (457) - Hot Arrows
by Richard (on 23. January 2026, 05:16)
1312
93 %
unsolvedSudoku Variants Series (456) - Double Decker Sandwich
by Richard (on 16. January 2026, 06:00)
1052
94 %
unsolvedSudoku Variants Series (455) - Equal split lines
by Richard (on 9. January 2026, 06:00)
1022
95 %
unsolvedSudoku Variants Series (454) - Little Thermometers
by Richard (on 2. January 2026, 06:00)
1162
94 %
unsolvedSudoku Variants Series (453) - S-Doku
by Richard (on 26. December 2025, 06:00)
1212
95 %
unsolvedSudoku Advent (Extra) - Thx Gabi! (Delimited Kropki)
by Richard (on 25. December 2025, 06:00)
1412
91 %
unsolvedEasy Peasy Sudoku Advent (24) - Delimited Kropki
by Richard (on 24. December 2025, 06:00)
1781
92 %
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