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 (057) - All Odd / Even by Richard (on 30. December 2014, 00:00)	168	82 %
	Mathrax (3) by Richard (on 26. December 2014, 12:00)	88	88 %
	Double Dutch Sudoku Advent (23) - Palindrome vs. Coast to Coast by Richard (on 23. December 2014, 12:00)	107	91 %
	Sudoku Variants Series (056) - Missing Arrow by Richard (on 23. December 2014, 00:00)	169	87 %
	Double Dutch Sudoku Advent (21) - Consecutive vs. Slot Machine by Richard (on 21. December 2014, 12:00)	99	87 %
	Double Dutch Sudoku Advent (19) - 1~9 vs. Clocks by Richard (on 19. December 2014, 12:00)	112	91 %
	Double Dutch Sudoku Advent (17) - Outside vs. Hidden Skyscrapers by Richard (on 17. December 2014, 12:00)	105	92 %
	Sudoku Variants Series (055) - Black and White Sudoku by Richard (on 16. December 2014, 00:00)	149	93 %
	Double Dutch Sudoku Advent (15) - Even Sandwich vs. Point to Next by Richard (on 15. December 2014, 12:00)	107	90 %
	Double Dutch Sudoku Advent (13) - Renban vs. Quad Sums by Richard (on 13. December 2014, 12:00)	106	91 %
	Double Dutch Sudoku Advent (11) - Position vs. Maxed Squares by Richard (on 11. December 2014, 12:00)	106	89 %
	Double Dutch Sudoku Advent (9) - Next to Nine vs. Battenburg by Richard (on 9. December 2014, 12:00)	116	88 %
	Sudoku Variants Series (054) - Minimax by Richard (on 9. December 2014, 00:00)	169	92 %
	Double Dutch Sudoku Advent (7) - Arrows vs. Edge Difference by Richard (on 7. December 2014, 12:00)	118	91 %
	Double Dutch Sudoku Advent (5) - Clone vs. Pointing Evens by Richard (on 5. December 2014, 12:00)	120	91 %
	Double Dutch Sudoku Advent (3) - Thermometers vs. Edge Sums by Richard (on 3. December 2014, 12:00)	125	87 %
	Sudoku Variants Series (053) - Outside Sudoku by Richard (on 2. December 2014, 00:00)	250	87 %
	Double Dutch Sudoku Advent (1) - Search Nine vs. Rossini by Richard (on 1. December 2014, 12:00)	143	91 %
	ABC'tje: Sudoku Variants Series by Richard (on 28. November 2014, 12:00)	74	90 %
	Sudoku Variants Series (052) - Rank Sudoku by Richard (on 25. November 2014, 00:00)	157	90 %