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 (265) - Numbered Rooms by Richard (on 15. April 2020, 00:00)	121	93 %
	Sudoku Variants Series (264) - Greater than Kropki by Richard (on 2. April 2020, 00:00)	86	94 %
	Sudoku Variants Series (263) - MinMax Difference Sudoku by Richard (on 27. August 2019, 00:00)	139	86 %
	Sudoku Variants Series (262) - Domino Sudoku by Richard (on 30. July 2019, 00:00)	123	91 %
	Sudoku Variants Series (261) - Big-Small Japanese Sums Sudoku by Richard (on 16. July 2019, 00:00)	138	93 %
	Sudoku Variants Series (260) - Sudoku Loop by Richard (on 2. July 2019, 00:00)	98	94 %
	Sudoku Variants Series (259) - Tripod Sudoku by Richard (on 18. June 2019, 00:00)	123	87 %
	Sudoku Variants Series (258) - Anti Windoku by Richard (on 4. June 2019, 00:00)	128	91 %
	Sudoku Variants Series (257) - S, as in Sudoku by Richard (on 21. May 2019, 00:00)	166	83 %
	Sudoku Variants Series (256) - Outside Anti Parity Sudoku by Richard (on 7. May 2019, 00:00)	131	87 %
	Sudoku Variants Series (255) - Divisible by Three Sudoku by Richard (on 23. April 2019, 00:00)	191	83 %
	Sudoku Variants Series (254) - Sudoku Mastermind by Richard (on 9. April 2019, 00:00)	104	92 %
	Sudoku Variants Series (253) - Makodoku by Richard (on 26. March 2019, 00:00)	124	89 %
	Sudoku Variants Series (252) - Odd-Even Stars Sudoku by Richard (on 12. March 2019, 00:00)	129	93 %
	Sudoku Variants Series (251) - Sum by X Sudoku by Richard (on 26. February 2019, 00:00)	132	92 %
	Sudoku Variants Series (250) - Sudoku X is still alive by Richard (on 12. February 2019, 00:00)	122	94 %
	Sudoku Variants Series (249) - Superconsecutive Sudoku by Richard (on 29. January 2019, 00:00)	112	94 %
	Sudoku Variants Series (248) - Ordering Sudoku by Richard (on 15. January 2019, 00:00)	123	92 %
	Sudoku Variants Series (247) - Sudoku One-Five-Nine by Richard (on 1. January 2019, 00:00)	178	90 %
	Sudoku Variants Series (246) - Offset Sudoku by Richard (on 18. December 2018, 00:00)	118	92 %