Author: Uri Blass
Date: 15:12:55 01/28/05
Go up one level in this thread
On January 28, 2005 at 17:35:09, George Sobala wrote: >On January 28, 2005 at 14:32:34, Stefan Meyer-Kahlen wrote: > >>On January 28, 2005 at 12:52:35, George Tsavdaris wrote: >> >>>On January 28, 2005 at 11:48:02, Stefan Meyer-Kahlen wrote: >>>> >>>> >>>>When you analyse a game and move forward and backward in the lines, Shredder >>>>will remember and combine the already seen lines much better than before. This >>>>is basically all. The result is that it is now very easy to analyse with >>>>Shredder, most of the time you just have to move forward the suggested line >>>>until Shredder can see clearer in the position. Then go backwards again until >>>>Shredder is suggesting a different move somewhere. Now follow this line and >>>>proceed with the above until you have reached the root again. >>>> >>> >>>Where does Shredder saves the information in order to use them.....? Is on the >>>Shredder.plr file........? >> >> >>Yes, but the new version of this file is now called shredder.pl2 >> >> >>>>>Ah one final question: >>>>>Did you change the copy protection for Shredder 9/classic/UCI? The former >>>>>versions made a lot of trouble in my DVD drive in my Toshiba notebook, the >>>>>original CD was hardly recognized for the copy protection check. >>>> >>>> >>>>The protection of the Chessbase version is the same, but probably a newer >>>>version. The protection of the UCI version is your personal license code you >>>>will receive as this version comes without CD. >>> >>> I would like a copy protection much different that this. I would like to be >>>based one a special number that would be derived from the owner's computer(a >>>special registry number or whatever) and that Shredder would be able to be used, >>>ONLY in the owner's PC. After a customer buy Shredder 9, it will have to give >>>you this code from his computer and give him a code to unlock Shredder to use it >>>only in his PC! Or to make a live-internet registration or something more >>>clever. >>> I'm tired seeing all these cracks at various sites that make Chess engines (and >>>general software) available to thousants, without paying a single buck while we >>>have to pay 50$ for a single engine..........Your efforts of creating this >>>amazing program are useless without a strong copy protection....I wonder why you >>>don't make something more efficient for stopping all these piracy.....? >> >> >>Believe me that I also hate piracy as this takes away a reasonable amount of >>sales and therefore direct income from me and my family. Unfortunatly there is >>no way to stop it. I have made good experiences with the license model I have >>used in Shredder Classic and will use it for (Deep) Shredder 9 as well. >> >>You cannot push protection too far. After all those years being in business I >>have now the following rule: "A legal user of Shredder should be able to do the >>same as someone who has a cracked version." Sounds logical, but for many >>programs this isn't true. Also I am trying to figure out if I myself would buy a >>program with such a copy protection mechanism. >> >>For example it's ridiculous to ask a user to insert the CD once in a while to >>check for copy protection. Imagine being on a trip with your notebook when >>suddenly you have to enter the CD which is in its safe place at home. And now >>think of the guy next to you which has a cracked version. If you have >>experienced this once you will never buy software with such a protection. >> >>Also I believe it is ridiculous to ask a user to buy two licenses if he would >>like to install your program on his desktop PC as well as on his notebook. This >>would be the case in your suggested scheme. >> >>It is also not very nice if someone buys a CD and it doesn't work on his CD >>drive because of the copy protection (I have to admit that there is no 100% safe >>solution for this right now). >> >>There are more examples, but I think you get the point. >> >>Stefan > >Bravo! That is absolutely the best attitude to copy protection. > >The copy protection scheme I hate the most requires me to email for a new key >everytime I buy a new computer or even upgrade the software. What happens when >the author falls ill or dies? No prizes for the answer! There is a solution to the problem. The author may give other people to support the customers in case that he dies and if other people also die because of some war then the world has bigger problems than not having the software. Uri
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