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 (181) - Deformable Kropki Sudoku by Richard (on 16. May 2017, 05:44)	110	94 %
	Sudoku Variants Series (180) - Sudokurve by Richard (on 9. May 2017, 00:00)	101	84 %
	Sudoku Variants Series (179) - Outside Killer Sudoku by Richard (on 2. May 2017, 00:00)	108	95 %
	Sudoku Variants Series (178) - Sudoku Islands by Richard (on 25. April 2017, 00:00)	143	84 %
	Sudoku Variants Series (177) - Frameless Sudoku by Richard (on 18. April 2017, 00:00)	103	93 %
	Sudoku Variants Series (176) - Boxed Snake Sudoku by Richard (on 11. April 2017, 00:00)	114	91 %
	Sudoku Variants Series (175) - Top Heavy Sudoku by Richard (on 4. April 2017, 00:00)	114	86 %
	Sudoku Variants Series (174) - Japanese Even-Odd Sudoku by Richard (on 28. March 2017, 00:00)	146	85 %
	Sudoku Variants Series (173) - Between Lines Sudoku by Richard (on 21. March 2017, 00:00)	133	90 %
	Sudoku Variants Series (172) - Zones Sudoku by Richard (on 14. March 2017, 00:00)	145	90 %
	Sudoku Variants Series (171) - Parity QuadMax Sudoku by Richard (on 7. March 2017, 00:00)	124	89 %
	Sudoku Variants Series (170) - X? Sums Sudoku by Richard (on 28. February 2017, 00:00)	111	94 %
	Sudoku Variants Series (169) - Average Sudoku by Richard (on 21. February 2017, 00:00)	115	90 %
	Sudoku Variants Series (168) - Cupid Sudoku by Richard (on 14. February 2017, 00:00)	117	86 %
	Sudoku Variants Series (167) - Pointing Differents Sudoku by Richard (on 7. February 2017, 00:00)	114	90 %
	Sudoku Variants Series (166) - External Sudoku by Richard (on 31. January 2017, 00:00)	114	88 %
	Sudoku Variants Series (165) - Multiples Sudoku by Richard (on 24. January 2017, 00:00)	108	90 %
	Sudoku Variants Series (164) - Consecutive On-Line by Richard (on 17. January 2017, 00:00)	120	86 %
	Sudoku Variants Series (163) - Liar Killer Sudoku by Richard (on 10. January 2017, 00:00)	113	94 %
	Sudoku Variants Series (162) - Symmetrical Sudoku by Richard (on 3. January 2017, 00:00)	118	88 %