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 (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)	132	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)	105	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)	133	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)	179	90 %
	Sudoku Variants Series (246) - Offset Sudoku by Richard (on 18. December 2018, 00:00)	118	92 %
	Sudoku Variants Series (245) - Counting Neighbours Sudoku by Richard (on 4. December 2018, 00:00)	109	93 %
	Sudoku Variants Series (244) - Outside Consecutive Sudoku by Richard (on 20. November 2018, 00:00)	106	90 %
	Sudoku Variants Series (243) - Clock Faces Sudoku by Richard (on 6. November 2018, 00:00)	130	92 %
	Sudoku Variants Series (242) - Pathway Sudoku by Richard (on 23. October 2018, 00:00)	108	89 %
	Sudoku Variants Series (241) - Outside Killer Pair Sudoku by Richard (on 9. October 2018, 00:00)	126	89 %
	Sudoku Variants Series (240) - Second Even Product Sudoku by Richard (on 25. September 2018, 00:00)	120	94 %
	Sudoku Variants Series (239) - Odd Tapa Sudoku by Richard (on 11. September 2018, 00:00)	164	91 %