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 (176) - Boxed Snake Sudoku by Richard (on 11. April 2017, 00:00)	113	91 %
	Sudoku Variants Series (175) - Top Heavy Sudoku by Richard (on 4. April 2017, 00:00)	112	86 %
	Sudoku Variants Series (174) - Japanese Even-Odd Sudoku by Richard (on 28. March 2017, 00:00)	144	85 %
	Sudoku Variants Series (173) - Between Lines Sudoku by Richard (on 21. March 2017, 00:00)	132	90 %
	Sudoku Variants Series (172) - Zones Sudoku by Richard (on 14. March 2017, 00:00)	143	90 %
	Sudoku Variants Series (171) - Parity QuadMax Sudoku by Richard (on 7. March 2017, 00:00)	121	89 %
	Sudoku Variants Series (170) - X? Sums Sudoku by Richard (on 28. February 2017, 00:00)	106	93 %
	Sudoku Variants Series (169) - Average Sudoku by Richard (on 21. February 2017, 00:00)	113	90 %
	Sudoku Variants Series (168) - Cupid Sudoku by Richard (on 14. February 2017, 00:00)	114	86 %
	Sudoku Variants Series (167) - Pointing Differents Sudoku by Richard (on 7. February 2017, 00:00)	111	90 %
	Sudoku Variants Series (166) - External Sudoku by Richard (on 31. January 2017, 00:00)	112	88 %
	Sudoku Variants Series (165) - Multiples Sudoku by Richard (on 24. January 2017, 00:00)	106	90 %
	Sudoku Variants Series (164) - Consecutive On-Line by Richard (on 17. January 2017, 00:00)	117	86 %
	Sudoku Variants Series (163) - Liar Killer Sudoku by Richard (on 10. January 2017, 00:00)	108	94 %
	Sudoku Variants Series (162) - Symmetrical Sudoku by Richard (on 3. January 2017, 00:00)	116	87 %
	Sudoku Variants Series (161) - Mirror Sudoku by Richard (on 27. December 2016, 00:00)	115	86 %
	Sudoku Variants Series (160) - Exclusion Sudoku by Richard (on 20. December 2016, 00:00)	183	84 %
	Sudoku Variants Series (159) - Equalizer Sudoku by Richard (on 13. December 2016, 00:00)	121	88 %
	Sudoku Variants Series (158) - Partial Twins Sudoku by Richard (on 6. December 2016, 00:00)	111	89 %
	Sudoku Variants Series (157) - Sudoku Logical by Richard (on 29. November 2016, 00:00)	104	93 %