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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 (104) - Difference Sudoku
by Richard (on 24. November 2015, 00:00)
1392
84 %
unsolvedSudoku Variants Series (103) - Staircase Sudoku
by Richard (on 17. November 2015, 00:00)
1313
81 %
unsolvedSudoku Variants Series (102) - Give me Five
by Richard (on 10. November 2015, 00:00)
1363
84 %
unsolvedSudoku Variants Series (101) - Frame 1~9
by Richard (on 3. November 2015, 00:00)
1472
93 %
unsolvedSudoku Variants Series (100) - Irregular Twin
by Richard (on 27. October 2015, 00:00)
1373
96 %
unsolvedSudoku Variants Series (099) - Twin Killer
by Richard (on 20. October 2015, 00:00)
1463
92 %
unsolvedSofia Leftover - Non Consecutive Sudoku
by Richard (on 19. October 2015, 12:00)
1492
93 %
unsolvedSudoku Variants Series (098) - Edge Differences
by Richard (on 13. October 2015, 00:00)
1482
88 %
unsolvedSudoku Variants Series (097) - Magic Summer Sudoku
by Richard (on 6. October 2015, 00:00)
1113
92 %
unsolvedSudoku Variants Series (096) - Ten Box
by Richard (on 29. September 2015, 00:00)
1272
84 %
unsolvedSudoku Variants Series (095) - Different Differences
by Richard (on 22. September 2015, 00:00)
1473
97 %
unsolvedSudoku Variants Series (094) - Hex Sudoku
by Richard (on 15. September 2015, 00:00)
1333
88 %
unsolvedSudoku Variants Series (093) - No Ten
by Richard (on 8. September 2015, 00:00)
1662
86 %
unsolvedSudoku Variants Series (092) - Consecutive Clone
by Richard (on 1. September 2015, 00:00)
1522
90 %
unsolvedSudoku Variants Series (091) - Inner Frame
by Richard (on 25. August 2015, 00:00)
1453
92 %
unsolvedSudoku Variants Series (090) - Coded Pairs
by Richard (on 18. August 2015, 00:00)
1432
85 %
unsolvedSudoku Variants Series (089) - Diagonal Path
by Richard (on 11. August 2015, 00:00)
1303
89 %
unsolvedSudoku Variants Series (088) - Argyle
by Richard (on 4. August 2015, 00:00)
1423
88 %
unsolvedSudoku Variants Series (087) - Slot Machine
by Richard (on 28. July 2015, 00:00)
2062
91 %
unsolvedSudoku Variants Series (086) - Toroidal Sudoku
by Richard (on 21. July 2015, 00:00)
1392
86 %
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