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 (136) - Greater Sudoku by Richard (on 5. July 2016, 00:00)	190	85 %
	Sudoku Variants Series (135) - Surplus Sudoku by Richard (on 28. June 2016, 00:00)	136	84 %
	Sudoku Variants Series (134) - Little Grey Cell Killer Sudoku by Richard (on 21. June 2016, 00:00)	112	86 %
	Sudoku Variants Series (133) - Ratio Sudoku by Richard (on 14. June 2016, 00:00)	130	88 %
	Sudoku Variants Series (132) - # Sudoku by Richard (on 7. June 2016, 00:00)	126	82 %
	Sudoku Variants Series (131) - Equal Products Sudoku by Richard (on 31. May 2016, 00:00)	113	86 %
	Sudoku Variants Series (130) - Diagident Sudoku by Richard (on 24. May 2016, 00:00)	128	85 %
	Sudoku Variants Series (129) - Consecutive Sandwich Sudoku by Richard (on 17. May 2016, 00:00)	121	89 %
	Sudoku Variants Series (128) - Odd Grey Cell Synapse Sudoku by Richard (on 10. May 2016, 00:00)	124	78 %
	Sudoku Variants Series (127) - Full Rank Sudoku by Richard (on 3. May 2016, 00:00)	135	90 %
	Sudoku Variants Series (126) - Small Neighbours Sudoku by Richard (on 26. April 2016, 00:00)	125	87 %
	Sudoku Variants Series (125) - Pointing Evens by Richard (on 19. April 2016, 00:00)	138	87 %
	Sudoku Variants Series (124) - Sum to 9 Sudoku by Richard (on 12. April 2016, 00:00)	112	85 %
	Sudoku Variants Series (123) - Repeated Neighbours Sudoku by Richard (on 5. April 2016, 00:00)	116	87 %
	Sudoku Variants Series (122) - Point to Next by Richard (on 29. March 2016, 00:00)	130	86 %
	Sudoku Variants Series (121) - Odd Even Frame Sudoku by Richard (on 22. March 2016, 00:00)	121	94 %
	Sudoku Variants Series (120) - Multiplication Table Sudoku by Richard (on 15. March 2016, 00:00)	139	90 %
	Sudoku Variants Series (119) - Even-Odd Japanese Sums Sudoku by Richard (on 8. March 2016, 00:00)	130	95 %
	Sudoku Variants Series (118) - Sudoku +2 by Richard (on 1. March 2016, 00:00)	147	92 %
	Sudoku Variants Series (117) - Hidden Skyscrapers by Richard (on 23. February 2016, 00:00)	131	93 %