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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 (109) - 9 Dragons Sudoku
by Richard (on 29. December 2015, 00:00)
1532
87 %
unsolvedSudoku Variants Series (108) - Unique Order Sums Sudoku
by Richard (on 22. December 2015, 00:00)
1343
92 %
unsolvedSudoku Variants Series (107) - Quadro Sudoku
by Richard (on 15. December 2015, 00:00)
1533
82 %
unsolvedSudoku Variants Series (106) - Circles Sudoku
by Richard (on 8. December 2015, 00:00)
1562
85 %
unsolvedSudoku Variants Series (105) - Scattered Sudoku
by Richard (on 1. December 2015, 00:00)
1433
92 %
unsolvedSudoku Variants Series (104) - Difference Sudoku
by Richard (on 24. November 2015, 00:00)
1422
84 %
unsolvedSudoku Variants Series (103) - Staircase Sudoku
by Richard (on 17. November 2015, 00:00)
1353
80 %
unsolvedSudoku Variants Series (102) - Give me Five
by Richard (on 10. November 2015, 00:00)
1403
84 %
unsolvedSudoku Variants Series (101) - Frame 1~9
by Richard (on 3. November 2015, 00:00)
1512
94 %
unsolvedSudoku Variants Series (100) - Irregular Twin
by Richard (on 27. October 2015, 00:00)
1423
96 %
unsolvedSudoku Variants Series (099) - Twin Killer
by Richard (on 20. October 2015, 00:00)
1533
92 %
unsolvedSofia Leftover - Non Consecutive Sudoku
by Richard (on 19. October 2015, 12:00)
1562
93 %
unsolvedSudoku Variants Series (098) - Edge Differences
by Richard (on 13. October 2015, 00:00)
1562
88 %
unsolvedSudoku Variants Series (097) - Magic Summer Sudoku
by Richard (on 6. October 2015, 00:00)
1143
91 %
unsolvedSudoku Variants Series (096) - Ten Box
by Richard (on 29. September 2015, 00:00)
1332
84 %
unsolvedSudoku Variants Series (095) - Different Differences
by Richard (on 22. September 2015, 00:00)
1503
97 %
unsolvedSudoku Variants Series (094) - Hex Sudoku
by Richard (on 15. September 2015, 00:00)
1373
88 %
unsolvedSudoku Variants Series (093) - No Ten
by Richard (on 8. September 2015, 00:00)
1722
86 %
unsolvedSudoku Variants Series (092) - Consecutive Clone
by Richard (on 1. September 2015, 00:00)
1562
90 %
unsolvedSudoku Variants Series (091) - Inner Frame
by Richard (on 25. August 2015, 00:00)
1513
92 %
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