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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 (100) - Irregular Twin
by Richard (on 27. October 2015, 00:00)
1403
96 %
unsolvedSudoku Variants Series (099) - Twin Killer
by Richard (on 20. October 2015, 00:00)
1503
93 %
unsolvedSofia Leftover - Non Consecutive Sudoku
by Richard (on 19. October 2015, 12:00)
1512
93 %
unsolvedSudoku Variants Series (098) - Edge Differences
by Richard (on 13. October 2015, 00:00)
1522
88 %
unsolvedSudoku Variants Series (097) - Magic Summer Sudoku
by Richard (on 6. October 2015, 00:00)
1133
92 %
unsolvedSudoku Variants Series (096) - Ten Box
by Richard (on 29. September 2015, 00:00)
1312
85 %
unsolvedSudoku Variants Series (095) - Different Differences
by Richard (on 22. September 2015, 00:00)
1493
97 %
unsolvedSudoku Variants Series (094) - Hex Sudoku
by Richard (on 15. September 2015, 00:00)
1353
88 %
unsolvedSudoku Variants Series (093) - No Ten
by Richard (on 8. September 2015, 00:00)
1692
86 %
unsolvedSudoku Variants Series (092) - Consecutive Clone
by Richard (on 1. September 2015, 00:00)
1542
90 %
unsolvedSudoku Variants Series (091) - Inner Frame
by Richard (on 25. August 2015, 00:00)
1493
92 %
unsolvedSudoku Variants Series (090) - Coded Pairs
by Richard (on 18. August 2015, 00:00)
1462
85 %
unsolvedSudoku Variants Series (089) - Diagonal Path
by Richard (on 11. August 2015, 00:00)
1333
89 %
unsolvedSudoku Variants Series (088) - Argyle
by Richard (on 4. August 2015, 00:00)
1453
88 %
unsolvedSudoku Variants Series (087) - Slot Machine
by Richard (on 28. July 2015, 00:00)
2102
91 %
unsolvedSudoku Variants Series (086) - Toroidal Sudoku
by Richard (on 21. July 2015, 00:00)
1412
86 %
unsolvedSudoku Variants Series (085) - No 3 Consecutive
by Richard (on 14. July 2015, 00:00)
1472
87 %
unsolvedSudoku Variants Series (084) - Eliminate Sudoku
by Richard (on 7. July 2015, 00:00)
1492
83 %
unsolvedSudoku Variants Series (083) - Sum Sudoku
by Richard (on 30. June 2015, 00:00)
1741
82 %
unsolvedSudoku Variants Series (082) - Greater Than
by Richard (on 23. June 2015, 00:00)
1543
93 %
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