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 (055) - Black and White Sudoku by Richard (on 16. December 2014, 00:00)	162	93 %
	Double Dutch Sudoku Advent (15) - Even Sandwich vs. Point to Next by Richard (on 15. December 2014, 12:00)	109	90 %
	Double Dutch Sudoku Advent (13) - Renban vs. Quad Sums by Richard (on 13. December 2014, 12:00)	110	91 %
	Double Dutch Sudoku Advent (11) - Position vs. Maxed Squares by Richard (on 11. December 2014, 12:00)	108	89 %
	Double Dutch Sudoku Advent (9) - Next to Nine vs. Battenburg by Richard (on 9. December 2014, 12:00)	119	88 %
	Sudoku Variants Series (054) - Minimax by Richard (on 9. December 2014, 00:00)	183	92 %
	Double Dutch Sudoku Advent (7) - Arrows vs. Edge Difference by Richard (on 7. December 2014, 12:00)	123	91 %
	Double Dutch Sudoku Advent (5) - Clone vs. Pointing Evens by Richard (on 5. December 2014, 12:00)	122	92 %
	Double Dutch Sudoku Advent (3) - Thermometers vs. Edge Sums by Richard (on 3. December 2014, 12:00)	130	87 %
	Sudoku Variants Series (053) - Outside Sudoku by Richard (on 2. December 2014, 00:00)	264	87 %
	Double Dutch Sudoku Advent (1) - Search Nine vs. Rossini by Richard (on 1. December 2014, 12:00)	147	91 %
	ABC'tje: Sudoku Variants Series by Richard (on 28. November 2014, 12:00)	76	90 %
	Sudoku Variants Series (052) - Rank Sudoku by Richard (on 25. November 2014, 00:00)	167	90 %
	London Leftover - 2014 Killer Sudoku by Richard (on 21. November 2014, 12:00)	160	90 %
	Sudoku Variants Series (051) - Disjoint Groups by Richard (on 18. November 2014, 00:00)	221	88 %
	Spiral City Construction (IV) by Richard (on 14. November 2014, 12:00)	75	97 %
	Sudoku Variants Series (050) - Bent Diagonals by Richard (on 11. November 2014, 00:00)	171	88 %
	Domino mit Zwei by Richard (on 7. November 2014, 12:00)	70	87 %
	Sudoku Variants Series (049) - OddMax by Richard (on 4. November 2014, 00:00)	226	85 %
	Coral by Richard (on 31. October 2014, 12:00)	128	82 %