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Competitions

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Sudoku Daily Competition

Advance puzzles are now available

#2399, February 3:
Competition Sudoku Puzzle - Diabolical level of difficulty

Welcome to the Daily Sudoku Competition. The rules are simple, just print out the Sudoku from the link below and when you have completed it enter the numbers in the graphical sudoku board (yes it's a form!). You need to enter your name, email address and country. If this is your first time then it will automatically create a personal history for you so you can keep track of your submissions and try for the Experts list. Anyone can get into the Top Sudoku Expert list - this is now the sum of all your correct entries for the last three hundred and fifty days.
Read the Web Site Update announcement for the update on submitting.
The competition cut-off time is midnight EST (GMT-5) and 5:00am (GMT) UK Time.

CLICK HERE FOR PRINTABLE VERSION - (With Candidates)

Please NOTE: There is now a Sudoku Solver available - click HERE

	4			3			8	5
				9				2
			7			3		1
3			6					9
		1				2
5					1			7
8		9			3			6
4				1
6	3			4			5

Mondays are Gentle
Tuesdays are Moderate
Wednesdays are Moderate
Thursdays are Tough
Fridays are Diabolical! - Today!
Saturday's puzzle is Moderate
Sundays's puzzle is Diabolical!

Type in blank cells!!

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View Analysis of Solving Times »

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30 Day Sudoku Archive
Mo	Tu	We	Th	Fr	Sa	Su
Gen	Mod	Mod	Tou	Diab	Mod	Diab
	3/1	4/1	5/1	6/1	7/1	8/1
9/1	10/1	11/1	12/1	13/1	14/1	15/1
16/1	17/1	18/1	19/1	20/1	21/1	22/1
23/1	24/1	25/1	26/1	27/1	28/1	29/1
30/1	31/1	1/2	2/2	3/2

Yesterday's Solution: Tough no. 2398

8	6	2	7	5	9	4	1	3
1	5	9	4	3	2	7	6	8
7	4	3	8	1	6	5	2	9
5	8	4	6	9	7	1	3	2
6	9	7	3	2	1	8	4	5
2	3	1	5	8	4	6	9	7
3	1	5	9	6	8	2	7	4
4	2	8	1	7	3	9	5	6
9	7	6	2	4	5	3	8	1

30 Day Sudoku Solution Archive

Mo Tu We Th Fr Sa Su

Gen Mod Mod Tou Diab Mod Diab

3/1 4/1 5/1 6/1 7/1 8/1
9/1 10/1 11/1 12/1 13/1 14/1 15/1
16/1 17/1 18/1 19/1 20/1 21/1 22/1
23/1 24/1 25/1 26/1 27/1 28/1 29/1
30/1 31/1 1/2 2/2

Need help with your Puzzle solving
In addition to our solvers we also offer utilities to help you solve various puzzles. One example is out Killer/Kakuro possible value calculator.

Extreme Sudoku | Jigsaw | Killer

Daily Mini Sudoku and Killer
Daily Sudoku Online
Daily Jigsaw Sudoku
Daily Killer Sudoku

Online SUDOKU - Play Sudoku Online NOW. All grades available.

Play Jigsaw Sudoku Online

Play Killer Sudoku Online

Play Kakuro Online

Top Sudoku Experts ordered by most correct entries
	350 - Aaron Aaronson, New Zealand
	350 - Agnes Gutierrez, Philippines
	350 - Aki Smith, Japan
	350 - Alan Frear, UK
	350 - Alan Frost, UK
	350 - Ames Guyton, USA
	350 - Amy Wong, China
	350 - Andrew Lait, Canada
	350 - Arthur Decker, USA
	350 - ASclaf Ani, USA
	350 - Ashleigh Howe, UK
	350 - Ben Dragon, USA
	350 - berryw@queens.edu, USA
	350 - Bill Nussbaum, USA
	350 - Bill Pullen, UK
	350 - bob priest, USA
	350 - Boban Nikolic, Serbia and Montenegro
	350 - Boyanapalli Venkata Visweswara Rao, India
	350 - Brad Westmoreland, USA
	350 - Brian Busbridge, UK
	350 - Carl Barratt, USA
	350 - Carole Hibberd, UK
	350 - Catherine Amico, USA
	350 - ccchen, Taiwan
	350 - Chad Baker, USA
	350 - Chan Ah Chai, Malaysia
	350 - Chan Hock Liong, Malaysia
	350 - Charles Low, USA
	350 - chenmaoding, China
	350 - Chew Su Lian, Malaysia
	350 - Chin Choo Jam, Malaysia
	350 - Chris, UK
	350 - Chris Boettger, USA
	350 - Christy Piffat, USA
	350 - Chuck Van Beveren, USA
	350 - Ciprian Mugur Zamfirescu, Romania
	350 - Colin Schofield, USA
	350 - D. Webb, USA
	350 - D.Rajanala, India
	350 - Dai Bach, Germany
	350 - David Barnes, UK
	350 - David Conway, USA
	350 - David Hay, UK
	350 - David Leek, UK
	350 - David Mellor, Mexico
	350 - David Oakden, UK
	350 - Debbie Phillips, USA
	350 - Debra Tvrdik, USA
	350 - Dennis Antrobus, UK
	350 - Doug Korns, USA
	350 - Dr. Herta LEDER, Austria
	350 - efrain lara cobos, Mexico
	350 - Elliot Harry, USA
	350 - Feng Chen, Canada
	350 - Fernando Pérez Dehesa, Spain
	350 - Frank Shinn, USA
	350 - Gabor Fulop, UK
	350 - Gary Krantz, USA
	350 - Gary Voyce, USA
	350 - Ged Downey, UK
	350 - Geoff Linnell, UK
	350 - George Kramer, USA
	350 - Ginny Shaw, UK
	350 - Glenn Bier, Canada
	350 - Glenn Hoxie, USA
	350 - Greer Watson, Canada
	350 - H. Vandevaart, USA
	350 - Hakop Ajemyan, USA
	350 - Hannah Gray, USA
	350 - harry wojtczak, Australia
	350 - Hein Weber, Germany
	350 - How Chee Seng, Malaysia
	350 - Howard Mellow, USA
	350 - Hugh MacIntyre, UK
	350 - Ian Derbyshire, UK
	350 - Ira Blumenreich, USA
	350 - James Netherton, USA
	350 - Jane Breeden, USA
	350 - Jane Schofield, UK
	350 - Janet Barrett, UK
	350 - Jayaa, India
	350 - Jean Cattaneo, USA
	350 - Jean-Claude Chapados, Canada
	350 - Jean-Jacques Deschenes, Canada
	350 - Jerry Dye, USA
	350 - Jim Crotteau, USA
	350 - Jim Duncan, UK
	350 - Joan Gordon, USA
	350 - Joe Pivar, USA
	350 - Joe Standaert, USA
	350 - John Cheng, USA
	350 - JOHN D.COOKSEY, USA
	350 - John Fox, USA
	350 - John Griffiths, Australia
	350 - John Killip, Australia
	350 - John Meier, USA
	350 - John P. O'Neill, USA
	350 - John S. Pacocha, USA
	350 - john tait, Canada
	350 - Joseph Keung, USA
	350 - Jung Lee, USA
	350 - Kay Brunt, USA
	350 - Keith Benson, UK
	350 - Kelly Jackson, Canada
	350 - Ken Meerdink, USA
	350 - Kirk Foecking, USA
	350 - Lawrence Ang, Singapore
	350 - LAXMI CHAND, India
	350 - leonard gruss, USA
	350 - Linda Cross, USA
	350 - Lindsay Kontarines, UK
	350 - Lucien GUILLAUME, Canada
	350 - Lura Beebe, USA
	350 - Lyle Fulfs, USA
	350 - Lynn Brown, USA
	350 - Margaret McGilvray, USA
	350 - Mario Le Blanc, Canada
	350 - Mark Stevenson, UK
	350 - Marka Gansekoele, Netherlands
	350 - Mary Ann Porcher, USA
	350 - Mary Jane Teague, USA
	350 - Mary Mock, USA
	350 - Matt Russ, USA
	350 - Michael Ayres, UK
	350 - Michelle Liu, USA
	350 - Mike Crawford, USA
	350 - Mike Vivian, USA
	350 - Mike Zaccaro, USA
	350 - Milton Orloff, USA
	350 - Miss Wendy D. Green, UK
	350 - Monica Barry, USA
	350 - Myrna Marritt, Canada
	350 - Nada Savatic, USA
	350 - Nana Spence, Canada
	350 - Nancy Borghesi, USA
	350 - nat thippawan, Thailand
	350 - Nurul Ain Lew Abdullah, Malaysia
	350 - On Fong Siew, Australia
	350 - ORA COOPER, USA
	350 - Orest Semchishen, Canada
	350 - P.K.Malhotra, India
	350 - Pat Carrico, USA
	350 - Pat Roberts, UK
	350 - Pat van Koers veld, South Africa
	350 - Paul Lockwood, USA
	350 - Paul Stygar, USA
	350 - Paul W. Foster, Canada
	350 - Pete Tyjewski, USA
	350 - Peter, Poland
	350 - Peter Lang, USA
	350 - Peter Nielsen, USA
	350 - Peter Williams, USA
	350 - Phil Hux, USA
	350 - Phil Kemp, Canada
	350 - Philip Price, Australia
	350 - Priscilla Lai, Australia
	350 - R.Kesari, India
	350 - Rich Petroskey, USA
	350 - Richard Horacek, USA
	350 - Richard Hilton, USA
	350 - Richard Pilkington, South Africa
	350 - Rob Mitchell, UK
	350 - Rodney Macready, Australia
	350 - Roger Smith, UK
	350 - Ron Cain, USA
	350 - Russell Holloway, USA
	350 - Ruthann Reese, USA
	350 - SAMUEL FIRESTONE, USA
	350 - sandra prais, Israel
	350 - Sharon Clarke, USA
	350 - Sheila Smith, UK
	350 - Stephen Vaughan, UK
	350 - Steve Takemoto, USA
	350 - Sue Levy, Australia
	350 - Terry Bush, USA
	350 - tom naughton, USA
	350 - Tommy Teague, USA
	350 - Tony Moore, UK
	350 - tsushung hua, USA
	350 - Uwe Wissinger, Germany
	350 - Walter P. Finn, USA
	350 - William Morrison, USA
	350 - Yannis Arvanitis, USA
	350 - Yeoh Ah Chai, Malaysia
	350 - YihLiong Chin, Singapore
	350 - Zeev Katz, Canada
Congratulations!

Gentle Sudoku

gentle game

Unsure about the competition Sudoku?
- try your hand at an easier one. No prizes for this one!

Not Available on Mondays!

30 Day Gentle Sudoku Solutions
Mo	Tu	We	Th	Fr	Sa	Su
Gen	Gen	Gen	Gen	Gen	Gen	Gen
	3/1	4/1	5/1	6/1	7/1	8/1
9/1	10/1	11/1	12/1	13/1	14/1	15/1
16/1	17/1	18/1	19/1	20/1	21/1	22/1
23/1	24/1	25/1	26/1	27/1	28/1	29/1
30/1	31/1	1/2	2/2

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