Knight's Challenge in D

[BCS]

Georg Wrede wrote:
> Chris Miller wrote:
> 
>> Hmm...  Excellent point.  I'll have to rethink my submission
>> mechanism.  I was going to give an email address, though sadly
>> whenever I put it on the 'net in one more location, that invariably
>> creates more spam for me.
> 
> 
> On a web site you could put the mail address simply in a picture.
> 
> And another idea: many big sites have these distorted text string 
> pictures you have to type in, sort of like a password to prove that 
> you're human. Now, most of these are entirely random, computer 
> generated, and whatever else fancy.

http://www.captcha.net/

> 
> Never pay for a lock stronger than the door. -- Anon.

Never pay for a door stronger than the wall next to it.