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 (264) - Greater than Kropki by Richard (on 2. April 2020, 00:00)	81	94 %
	Sudoku Variants Series (263) - MinMax Difference Sudoku by Richard (on 27. August 2019, 00:00)	135	86 %
	Sudoku Variants Series (262) - Domino Sudoku by Richard (on 30. July 2019, 00:00)	119	91 %
	Sudoku Variants Series (261) - Big-Small Japanese Sums Sudoku by Richard (on 16. July 2019, 00:00)	135	93 %
	Sudoku Variants Series (260) - Sudoku Loop by Richard (on 2. July 2019, 00:00)	95	94 %
	Sudoku Variants Series (259) - Tripod Sudoku by Richard (on 18. June 2019, 00:00)	121	87 %
	Sudoku Variants Series (258) - Anti Windoku by Richard (on 4. June 2019, 00:00)	124	90 %
	Sudoku Variants Series (257) - S, as in Sudoku by Richard (on 21. May 2019, 00:00)	162	83 %
	Sudoku Variants Series (256) - Outside Anti Parity Sudoku by Richard (on 7. May 2019, 00:00)	128	87 %
	Sudoku Variants Series (255) - Divisible by Three Sudoku by Richard (on 23. April 2019, 00:00)	188	83 %
	Sudoku Variants Series (254) - Sudoku Mastermind by Richard (on 9. April 2019, 00:00)	101	92 %
	Sudoku Variants Series (253) - Makodoku by Richard (on 26. March 2019, 00:00)	120	89 %
	Sudoku Variants Series (252) - Odd-Even Stars Sudoku by Richard (on 12. March 2019, 00:00)	126	93 %
	Sudoku Variants Series (251) - Sum by X Sudoku by Richard (on 26. February 2019, 00:00)	128	92 %
	Sudoku Variants Series (250) - Sudoku X is still alive by Richard (on 12. February 2019, 00:00)	118	93 %
	Sudoku Variants Series (249) - Superconsecutive Sudoku by Richard (on 29. January 2019, 00:00)	108	93 %
	Sudoku Variants Series (248) - Ordering Sudoku by Richard (on 15. January 2019, 00:00)	120	92 %
	Sudoku Variants Series (247) - Sudoku One-Five-Nine by Richard (on 1. January 2019, 00:00)	174	90 %
	Sudoku Variants Series (246) - Offset Sudoku by Richard (on 18. December 2018, 00:00)	114	92 %
	Sudoku Variants Series (245) - Counting Neighbours Sudoku by Richard (on 4. December 2018, 00:00)	100	92 %