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 (236) - Sum of Them Sudoku by Richard (on 31. July 2018, 00:00)	88	91 %
	Sudoku Variants Series (235) - Outside Parity Sudoku by Richard (on 17. July 2018, 00:00)	118	85 %
	Sudoku Variants Series (234) - Four in a grow Sudoku by Richard (on 3. July 2018, 00:00)	110	84 %
	Sudoku Variants Series (233) - TeeTotal Sudoku by Richard (on 19. June 2018, 00:00)	113	91 %
	Sudoku Variants Series (232) - Sudoku Plusminus by Richard (on 5. June 2018, 00:00)	116	90 %
	Sudoku Variants Series (231) - Odd/Even Bridge Sudoku by Richard (on 22. May 2018, 00:00)	122	92 %
	Sudoku Variants Series (230) - Odd/Even Count Sudoku by Richard (on 8. May 2018, 00:00)	108	93 %
	Sudoku Variants Series (229) - Double Kropki Sudoku by Richard (on 24. April 2018, 00:00)	122	94 %
	Sudoku Variants Series (228) - Hit the target Sudoku by Richard (on 10. April 2018, 00:00)	115	81 %
	Sudoku Variants Series (227) - One Knight Step Sudoku by Richard (on 3. April 2018, 00:00)	125	89 %
	Sudoku Variants Series (226) - Double Scattered Sudoku by Richard (on 27. March 2018, 00:00)	113	87 %
	Sudoku Variants Series (225) - Greater than X Sudoku by Richard (on 20. March 2018, 00:00)	98	82 %
	Sudoku Variants Series (224) - Sum or Product Frame Sudoku by Richard (on 13. March 2018, 00:00)	100	92 %
	Sudoku Variants Series (223) - Sundoku by Richard (on 6. March 2018, 00:00)	127	89 %
	Sudoku Variants Series (222) - Traffic Lights Sudoku by Richard (on 27. February 2018, 00:00)	109	88 %
	Sudoku Variants Series (221) - Nine Pins Sudoku by Richard (on 20. February 2018, 00:00)	127	87 %
	Sudoku Variants Series (220) - One Way Sudoku by Richard (on 13. February 2018, 00:00)	143	74 %
	Sudoku Variants Series (219) - Confetti Sudoku by Richard (on 6. February 2018, 00:00)	108	85 %
	Sudoku Variants Series (218) - Clone Loop by Richard (on 30. January 2018, 00:00)	116	85 %
	Sudoku Variants Series (217) - Extra Boxes Sudoku by Richard (on 23. January 2018, 00:00)	116	92 %