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 (070) - Between Sudoku by Richard (on 31. March 2015, 00:00)	248	83 %
	Sudoku Variants Series (069) - Shaken Clones by Richard (on 24. March 2015, 00:00)	155	87 %
	Sudoku Variants Series (068) - Mini Diagonals by Richard (on 17. March 2015, 00:00)	167	89 %
	Sudoku Variants Series (067) - Battenburg by Richard (on 10. March 2015, 00:00)	170	90 %
	Sudoku Variants Series (066) - Rhombus by Richard (on 3. March 2015, 00:00)	146	85 %
	Sudoku Variants Series (065) - Descriptive Pairs by Richard (on 24. February 2015, 00:00)	158	88 %
	Sudoku Variants Series (064) - Quad Max by Richard (on 17. February 2015, 00:00)	190	82 %
	Sudoku Variants Series (063) - Frame Sudoku by Richard (on 10. February 2015, 00:00)	158	87 %
	Sudoku Variants Series (062) - Rossini Sudoku by Richard (on 3. February 2015, 00:00)	167	88 %
	Sudoku Variants Series (061) - Before Nine by Richard (on 27. January 2015, 00:00)	196	87 %
	Sudoku Variants Series (060) - Quad Sums by Richard (on 20. January 2015, 00:00)	134	87 %
	Sudoku Variants Series (059) - Center Dot by Richard (on 13. January 2015, 00:00)	166	84 %
	Sudoku Variants Series (058) - Kropki by Richard (on 6. January 2015, 00:00)	167	94 %
	Sudoku Variants Series (057) - All Odd / Even by Richard (on 30. December 2014, 00:00)	160	82 %
	Mathrax (3) by Richard (on 26. December 2014, 12:00)	86	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)	162	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 %