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 (061) - Before Nine
by Richard (on 27. January 2015, 00:00)
2131
87 %
unsolvedSudoku Variants Series (060) - Quad Sums
by Richard (on 20. January 2015, 00:00)
1463
87 %
unsolvedSudoku Variants Series (059) - Center Dot
by Richard (on 13. January 2015, 00:00)
1782
84 %
unsolvedSudoku Variants Series (058) - Kropki
by Richard (on 6. January 2015, 00:00)
1802
94 %
unsolvedSudoku Variants Series (057) - All Odd / Even
by Richard (on 30. December 2014, 00:00)
1712
82 %
unsolvedMathrax (3)
by Richard (on 26. December 2014, 12:00)
902
88 %
unsolvedDouble Dutch Sudoku Advent (23) - Palindrome vs. Coast to Coast
by Richard (on 23. December 2014, 12:00)
1072
91 %
unsolvedSudoku Variants Series (056) - Missing Arrow
by Richard (on 23. December 2014, 00:00)
1712
87 %
unsolvedDouble Dutch Sudoku Advent (21) - Consecutive vs. Slot Machine
by Richard (on 21. December 2014, 12:00)
1013
88 %
unsolvedDouble Dutch Sudoku Advent (19) - 1~9 vs. Clocks
by Richard (on 19. December 2014, 12:00)
1132
91 %
unsolvedDouble Dutch Sudoku Advent (17) - Outside vs. Hidden Skyscrapers
by Richard (on 17. December 2014, 12:00)
1062
92 %
unsolvedSudoku Variants Series (055) - Black and White Sudoku
by Richard (on 16. December 2014, 00:00)
1553
93 %
unsolvedDouble Dutch Sudoku Advent (15) - Even Sandwich vs. Point to Next
by Richard (on 15. December 2014, 12:00)
1082
90 %
unsolvedDouble Dutch Sudoku Advent (13) - Renban vs. Quad Sums
by Richard (on 13. December 2014, 12:00)
1093
91 %
unsolvedDouble Dutch Sudoku Advent (11) - Position vs. Maxed Squares
by Richard (on 11. December 2014, 12:00)
1062
89 %
unsolvedDouble Dutch Sudoku Advent (9) - Next to Nine vs. Battenburg
by Richard (on 9. December 2014, 12:00)
1183
88 %
unsolvedSudoku Variants Series (054) - Minimax
by Richard (on 9. December 2014, 00:00)
1732
92 %
unsolvedDouble Dutch Sudoku Advent (7) - Arrows vs. Edge Difference
by Richard (on 7. December 2014, 12:00)
1203
91 %
unsolvedDouble Dutch Sudoku Advent (5) - Clone vs. Pointing Evens
by Richard (on 5. December 2014, 12:00)
1212
92 %
unsolvedDouble Dutch Sudoku Advent (3) - Thermometers vs. Edge Sums
by Richard (on 3. December 2014, 12:00)
1273
87 %
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