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This is excellent, I cannot tell you how much I am enjoying this software download. Thanks for getting this to the public, very much appreciate it.

Agree with Mr Moonlightkid and Mr Kingvking. I download this  week ago and found it very useful. For chess fan who concern about value worth time and money you should download this. Big thanks for Mr Gardelin !

I'm very grateful 4 this software as I'm still learning chess. It's very helpful and I enjoy every minute when using it. THANX

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This seems to me to be a very powerful chess engine. It has lots of functionality for pros... I think, although I can't be sure because I am not a pro, I just play every so oftenk. But it also has lots of options to play with for those who like customizing.

If you replay a pgn with rybka and you think you've made a bad move, does rybka show which move was better?

when you say portable does that mean this software will run on a PDA or Smartphone with Windows Mobile?

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Wilberforce wrote: "When you say portable does that mean this software will run on a PDA or Smartphone with Windows Mobile?"
No, it means it can be carried on and started from USB flash drive, portable hard drive, etc... It works on Windows XP and probably Vista (I have not tested it on Vista, any feedback from Vista users is very welcome).

TheJoKer-1s wrote: "If you replay a pgn with rybka and you think you've made a bad move, does rybka show which move was better?"
Rybka (or any other chess engine) evaluates a position and shows you the evaulation score for the given position. If you replay a move and this score changes significantly (e.g. for more than 1.00 - meaning your move loses more than a pawn value) you have made a bad move. Rybka always shows you the best move for current position on screen, so if you want to know what you should have played, you have to go back to position before your bad move and you will see the best move in engine output window.

Ooooh lovely. Thank you very much. It's a nice idea to include phalanx for training.

I have used Winboard for a while, but WinboardX rocks!!

Best deal for the price on the net. Thanks very much.

thanyou very much i was wonding how to get this  this is great site and very helpful

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Thank You!!! :)

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Awesome, thanks :)

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I WOULD HAVE HAD TO PAY 100 PLUS DOLLARS FOR A PROGRAM THIS GOOD JUST 2 TO 3 YEARS AGO WHAT A GREAT DOWNLOAD

Great Program.  Will it work on a Pocket PC.

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Great program, helpful for recording games.

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Can someone tell me how to read the analysis that rybka does? What do the numbers mean? and how to know what the next move out of all the moves that get listed is?

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Awesome!!!! Thanks.... The program has some bugs that lock my computer sometimes but the game analysis is great!

Best free chess programs:

1. http://freechess.50webs.com/best.html

2. http://www.techsupportalert.com/best-free-computer-chess.htm#Quick_Selection_Guide

computer chess software rating list:

http://computerchess.org.uk/ccrl/4040/rating_list_all.html

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Arena is great, but a bit slugish. Winboard is small, elegant and lightning fast program! Great stuff!

How do you do this thing? It doesn't work?

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its awesome

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good one!

not working for me please help

for analysing your games is excelent program

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great!

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great!

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Thanks it was very helpful.

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Very helpfull, but it's missing help files (I think).  I'm using Windows 7 and it says the help cotents are missing.

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This program uses all of your CPU, so if you want to analyze a game which is for example on a web page on the Internet Explorer and you switch between windows the process will be annoyingly slow. The problem is worse if the moves are on a page that has a dynamic chessboard, which also consumes a significant amount of computer resources. In fact, you will quickly abandon the analysis because the computer will be just too slow. There should be an option to stop the engine so that you can switch between windows easily or even an option to limit CPU consumption. Selecting Pause or Edit Position does not stop the engine from running, which if it happened it would have been a good workaround. Apart from that, the GUI could have been more user-friendly, especially the starting options panel, apart from the fact that there should be default options and not an option panel every time the program starts.

thank you very much its a great application.. :) will have to learn all the finesses tough i jst downloaded this engine..

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This is the best chess engine I have ever seen! I haven't even managed to draw with it yet!!!

this doesnt work for me after i click the down load button it says open,save,save as. i first click save after saving i click open it shows me a 4 iteams: text document, jpeg image,application, and md5 file when i click applicaton it says run, extract or cancel i click run once i click run it says either sun again or cancel i click run then it says extract one i click extract nothing happens and i am back to the same 4 items if i click Md5 file this time it ask me what program i want to download at i tried literally every program i had in there and non works and i have 19 programs the only one that almost worked was adobe reader but there was a problem it said adobe reader can not open this file because it is either not a supported file or blah blah.. please help i dont know how to download this.

i got error 105? does it work on vista?

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thank you. awesome to practice.