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
	Japanische Summenpentominos by Richard (on 12. April 2013, 12:00)	185	90 %
	Killer Skyscrapers by Richard (on 5. April 2013, 12:00)	119	91 %
	Blackout Domino (2) by Richard (on 29. March 2013, 12:00)	87	91 %
	LMI-Überbleibsel - Rank Killer by Richard (on 22. March 2013, 12:00)	98	93 %
	LMI-Überbleibsel - Perfect Squares Sudoku by Richard (on 17. March 2013, 12:00)	110	87 %
	LMI-Überbleibsel - Hot/Cold Thermometer Sudoku by Richard (on 15. March 2013, 12:00)	108	87 %
	LMI-Überbleibsel - Shaken Clones Sudoku by Richard (on 15. March 2013, 12:00)	111	87 %
	Yajilin by Richard (on 8. March 2013, 12:00)	131	89 %
	Magiequadrat by Richard (on 1. March 2013, 12:00)	127	81 %
	Frame sudoku 1~9 by Richard (on 22. February 2013, 12:00)	102	95 %
	Sum sandwich sudoku by Richard (on 15. February 2013, 12:00)	91	88 %
	Gefüllter Rundweg IV by Richard (on 8. February 2013, 12:00)	97	94 %
	Ungleichungs Pünktchen Sudoku II by Richard (on 1. February 2013, 12:00)	109	87 %
	Außen Twin Killer Sudoku II by Richard (on 25. January 2013, 12:00)	78	95 %
	ABCtje McLeods Daughters by Richard (on 18. January 2013, 12:00)	64	88 %
	Zwischen Sudoku II by Richard (on 11. January 2013, 12:00)	86	83 %
	Regional Yajilin II by Richard (on 4. January 2013, 12:00)	156	86 %
	2012-2013 XY-Summen-Schlangen Domino by Richard (on 28. December 2012, 12:00)	44	90 %
	24 Ways to survive a Dutch Advent (24): Clone Sudoku by Richard (on 24. December 2012, 00:00)	113	91 %
	24 Ways to survive a Dutch Advent (22): Rhombus Sudoku by Richard (on 22. December 2012, 00:00)	102	84 %