How should I do here without guessing?

Advanced methods and approaches for solving Sudoku puzzles

How should I do here without guessing?

Postby kapa2183 » Sun Jul 10, 2005 11:20 pm

4*983*72*
*8*4*2***
**2**7*4*
62*******
9432**65*
8******92
2146**379
*****9284
*98*24***

Thank you for helping me!

Best regards!
kapa2183
 
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Re: How should I do here without guessing?

Postby angusj » Mon Jul 11, 2005 12:06 am

Look for Naked Pairs:D .
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Postby kapa2183 » Mon Jul 11, 2005 10:19 am

Hello!

I have tried that, but still I have to guess?
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Postby kapa2183 » Mon Jul 11, 2005 11:06 am

Do I really have to trial and error on this one?
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Postby simes » Mon Jul 11, 2005 11:36 am

kapa2183 wrote:Do I really have to trial and error on this one?


No!

Look at 3 in block 6 and row 4. Then look at (6,6)
Last edited by simes on Sun Dec 11, 2011 9:41 am, edited 1 time in total.
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Postby kapa2183 » Mon Jul 11, 2005 11:47 am

thank you for helping me, but I do not really nderstand what you meen?
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Postby kapa2183 » Mon Jul 11, 2005 11:51 am

sorry but block six, is that the block with foloowing entries:

***
65*
*92

and the row four:

62*******

and (6,6) shoul be the lower right corner in the middle block???

But I do not understand how you should go on....
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Postby kapa2183 » Mon Jul 11, 2005 11:57 am

Hello again!

What do you meen with: look at 3??

Is that look for a three or is it look in box three in that block?

Best regards
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Posts: 7
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Postby simes » Mon Jul 11, 2005 12:00 pm

Yes, block and row as you describe. Look at where the digit 3 can be placed in block 6 and row 4. There's an interaction that allows you to eliminate candidates.
Last edited by simes on Sun Dec 11, 2011 9:41 am, edited 1 time in total.
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Postby kapa2183 » Mon Jul 11, 2005 12:07 pm

ok:D

Thank you so much for your help, I missed that one!
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