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 (458) - Divisible Neighbours by Richard (today, 06:00)	10	N/A
	Sudoku Variants Series (457) - Hot Arrows by Richard (on 23. January 2026, 05:16)	115	93 %
	Sudoku Variants Series (456) - Double Decker Sandwich by Richard (on 16. January 2026, 06:00)	92	95 %
	Sudoku Variants Series (455) - Equal split lines by Richard (on 9. January 2026, 06:00)	92	95 %
	Sudoku Variants Series (454) - Little Thermometers by Richard (on 2. January 2026, 06:00)	98	93 %
	Sudoku Variants Series (453) - S-Doku by Richard (on 26. December 2025, 06:00)	112	95 %
	Sudoku Advent (Extra) - Thx Gabi! (Delimited Kropki) by Richard (on 25. December 2025, 06:00)	132	91 %
	Easy Peasy Sudoku Advent (24) - Delimited Kropki by Richard (on 24. December 2025, 06:00)	165	93 %
	Easy Peasy Sudoku Advent (23) - Parity Poopers by Richard (on 23. December 2025, 06:00)	129	92 %
	HSSC Appetizer (4) - Anti Knight by Richard (on 22. December 2025, 06:00)	136	89 %
	Easy Peasy Sudoku Advent (22) - Summing Up by Richard (on 22. December 2025, 06:00)	93	91 %
	Easy Peasy Sudoku Advent (21) - Cage Relations by Richard (on 21. December 2025, 06:00)	97	92 %
	HSSC Appetizer (3) - Weiqi by Richard (on 20. December 2025, 06:00)	41	92 %
	Easy Peasy Sudoku Advent (20) - Assorted Sandwiches by Richard (on 20. December 2025, 06:00)	151	95 %
	Easy Peasy Sudoku Advent (19) - Little Palindromes by Richard (on 19. December 2025, 06:00)	175	95 %
	HSSC Appetizer (2) - Sudoku XV by Richard (on 18. December 2025, 06:00)	104	88 %
	Easy Peasy Sudoku Advent (18) - Snake by Richard (on 18. December 2025, 06:00)	178	91 %
	Easy Peasy Sudoku Advent (17) - Sum and product killer by Richard (on 17. December 2025, 06:00)	150	93 %
	HSSC Appetizer (1) - Sudoku Mathrax by Richard (on 16. December 2025, 06:00)	111	95 %
	Easy Peasy Sudoku Advent (16) - Y-Sums by Richard (on 16. December 2025, 06:00)	137	97 %