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!

	Description	solved	Rating
	Sudoku Variants Series (185) - Sudokuro by Richard (on 13. June 2017, 00:00)	119	93 %
	Sudoku Variants Series (184) - Pirate Sudoku by Richard (on 6. June 2017, 00:00)	207	91 %
	Sudoku Variants Series (183) - Parquet Sudoku by Richard (on 30. May 2017, 00:00)	114	93 %
	Sudoku Variants Series (182) - Touchy Sudoku by Richard (on 23. May 2017, 00:00)	147	89 %
	Sudoku Variants Series (181) - Deformable Kropki Sudoku by Richard (on 16. May 2017, 05:44)	112	94 %
	Sudoku Variants Series (180) - Sudokurve by Richard (on 9. May 2017, 00:00)	103	83 %
	Sudoku Variants Series (179) - Outside Killer Sudoku by Richard (on 2. May 2017, 00:00)	109	94 %
	Sudoku Variants Series (178) - Sudoku Islands by Richard (on 25. April 2017, 00:00)	149	84 %
	Sudoku Variants Series (177) - Frameless Sudoku by Richard (on 18. April 2017, 00:00)	104	93 %
	Sudoku Variants Series (176) - Boxed Snake Sudoku by Richard (on 11. April 2017, 00:00)	115	92 %
	Sudoku Variants Series (175) - Top Heavy Sudoku by Richard (on 4. April 2017, 00:00)	115	87 %
	Sudoku Variants Series (174) - Japanese Even-Odd Sudoku by Richard (on 28. March 2017, 00:00)	155	85 %
	Sudoku Variants Series (173) - Between Lines Sudoku by Richard (on 21. March 2017, 00:00)	135	90 %
	Sudoku Variants Series (172) - Zones Sudoku by Richard (on 14. March 2017, 00:00)	149	90 %
	Sudoku Variants Series (171) - Parity QuadMax Sudoku by Richard (on 7. March 2017, 00:00)	126	89 %
	Sudoku Variants Series (170) - X? Sums Sudoku by Richard (on 28. February 2017, 00:00)	115	93 %
	Sudoku Variants Series (169) - Average Sudoku by Richard (on 21. February 2017, 00:00)	119	90 %
	Sudoku Variants Series (168) - Cupid Sudoku by Richard (on 14. February 2017, 00:00)	120	86 %
	Sudoku Variants Series (167) - Pointing Differents Sudoku by Richard (on 7. February 2017, 00:00)	117	90 %
	Sudoku Variants Series (166) - External Sudoku by Richard (on 31. January 2017, 00:00)	119	88 %