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 (153) - Diagonal NonConsecutive Sudoku by Richard (on 1. November 2016, 00:00)	143	92 %
	Sudoku Variants Series (152) - Consecutive Chains Sudoku by Richard (on 25. October 2016, 00:00)	131	90 %
	Sudoku Variants Series (151) - Product Frame Sudoku by Richard (on 18. October 2016, 00:00)	161	91 %
	Sudoku Variants Series (150) - Rank Killer Sudoku by Richard (on 11. October 2016, 00:00)	133	94 %
	Sudoku Variants Series (149) - Podium Sudoku by Richard (on 4. October 2016, 00:00)	136	88 %
	Sudoku Variants Series (148) - Dynasty Sudoku by Richard (on 27. September 2016, 00:00)	167	84 %
	Sudoku Variants Series (147) - Snake Sudoku by Richard (on 20. September 2016, 00:00)	91	80 %
	Sudoku Variants Series (146) - Five Pair Sudoku by Richard (on 13. September 2016, 00:00)	163	90 %
	Sudoku Variants Series (145) - First even-odd Sudoku by Richard (on 6. September 2016, 00:00)	115	91 %
	Sudoku Variants Series (144) - Cross Sudoku by Richard (on 30. August 2016, 00:00)	123	84 %
	Sudoku Variants Series (143) - Triple Double Sudoku by Richard (on 23. August 2016, 00:00)	122	88 %
	Sudoku Variants Series (142) - DNA Sudoku by Richard (on 16. August 2016, 00:00)	130	88 %
	Sudoku Variants Series (141) - Perfect Primes Sudoku by Richard (on 9. August 2016, 00:00)	120	94 %
	Sudoku Variants Series (140) - Odd/Even Skyscraper Sudoku by Richard (on 2. August 2016, 00:00)	126	90 %
	Sudoku Variants Series (139) - Queen Sudoku by Richard (on 26. July 2016, 00:00)	187	83 %
	Sudoku Variants Series (138) - Star Battle Sudoku by Richard (on 19. July 2016, 00:00)	129	80 %
	Sudoku Variants Series (137) - Prime Sums Sudoku by Richard (on 12. July 2016, 00:00)	130	91 %
	Sudoku Variants Series (136) - Greater Sudoku by Richard (on 5. July 2016, 00:00)	195	85 %
	Sudoku Variants Series (135) - Surplus Sudoku by Richard (on 28. June 2016, 00:00)	141	84 %
	Sudoku Variants Series (134) - Little Grey Cell Killer Sudoku by Richard (on 21. June 2016, 00:00)	116	87 %