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 (269) - Sudoku Hang Ten
by Richard (on 20. May 2020, 00:00)
1103
91 %
unsolvedSudoku Variants Series (268) - Sudoku Anti Clone
by Richard (on 13. May 2020, 00:00)
1043
95 %
unsolvedSudoku Variants Series (267) - Sudoku 1020
by Richard (on 6. May 2020, 00:00)
903
93 %
unsolvedSudoku Variants Series (266) - Tic Tac Toe Sudoku
by Richard (on 29. April 2020, 00:00)
1263
96 %
unsolvedSudoku Variants Series (265) - Numbered Rooms
by Richard (on 15. April 2020, 00:00)
1213
93 %
unsolvedSudoku Variants Series (264) - Greater than Kropki
by Richard (on 2. April 2020, 00:00)
863
94 %
unsolvedSudoku Variants Series (263) - MinMax Difference Sudoku
by Richard (on 27. August 2019, 00:00)
1392
86 %
unsolvedSudoku Variants Series (262) - Domino Sudoku
by Richard (on 30. July 2019, 00:00)
1232
91 %
unsolvedSudoku Variants Series (261) - Big-Small Japanese Sums Sudoku
by Richard (on 16. July 2019, 00:00)
1402
93 %
unsolvedSudoku Variants Series (260) - Sudoku Loop
by Richard (on 2. July 2019, 00:00)
983
94 %
unsolvedSudoku Variants Series (259) - Tripod Sudoku
by Richard (on 18. June 2019, 00:00)
1232
87 %
unsolvedSudoku Variants Series (258) - Anti Windoku
by Richard (on 4. June 2019, 00:00)
1293
91 %
unsolvedSudoku Variants Series (257) - S, as in Sudoku
by Richard (on 21. May 2019, 00:00)
1681
83 %
unsolvedSudoku Variants Series (256) - Outside Anti Parity Sudoku
by Richard (on 7. May 2019, 00:00)
1322
87 %
unsolvedSudoku Variants Series (255) - Divisible by Three Sudoku
by Richard (on 23. April 2019, 00:00)
1931
83 %
unsolvedSudoku Variants Series (254) - Sudoku Mastermind
by Richard (on 9. April 2019, 00:00)
1053
92 %
unsolvedSudoku Variants Series (253) - Makodoku
by Richard (on 26. March 2019, 00:00)
1242
89 %
unsolvedSudoku Variants Series (252) - Odd-Even Stars Sudoku
by Richard (on 12. March 2019, 00:00)
1292
93 %
unsolvedSudoku Variants Series (251) - Sum by X Sudoku
by Richard (on 26. February 2019, 00:00)
1332
92 %
unsolvedSudoku Variants Series (250) - Sudoku X is still alive
by Richard (on 12. February 2019, 00:00)
1223
94 %
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