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 (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 %
	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 %
	Sudoku Variants Series (238) - Calcudoku by Richard (on 28. August 2018, 00:00)	122	89 %
	Sudoku Variants Series (237) - Before 1 - After 9 Sudoku by Richard (on 14. August 2018, 00:00)	110	91 %
	Sudoku Variants Series (236) - Sum of Them Sudoku by Richard (on 31. July 2018, 00:00)	91	91 %
	Sudoku Variants Series (235) - Outside Parity Sudoku by Richard (on 17. July 2018, 00:00)	122	84 %
	Sudoku Variants Series (234) - Four in a grow Sudoku by Richard (on 3. July 2018, 00:00)	113	83 %
	Sudoku Variants Series (233) - TeeTotal Sudoku by Richard (on 19. June 2018, 00:00)	118	91 %
	Sudoku Variants Series (232) - Sudoku Plusminus by Richard (on 5. June 2018, 00:00)	119	90 %
	Sudoku Variants Series (231) - Odd/Even Bridge Sudoku by Richard (on 22. May 2018, 00:00)	125	92 %
	Sudoku Variants Series (230) - Odd/Even Count Sudoku by Richard (on 8. May 2018, 00:00)	113	93 %
	Sudoku Variants Series (229) - Double Kropki Sudoku by Richard (on 24. April 2018, 00:00)	124	94 %
	Sudoku Variants Series (228) - Hit the target Sudoku by Richard (on 10. April 2018, 00:00)	118	81 %