Q&A: Have i been robbed and badly overcharged for paying $130 to purchase deep rybka 4 chess program?
Question by patriotism and politics dont mix: Have i been robbed and badly overcharged for paying 0 to purchase deep rybka 4 chess program?
I read lot of websites saying deep rybka is the strongest chess PC engine. I looked at the price and it was $ 130, which seemed quite heavy. In 2006, i purchased another chess program called “Chess Genius” and still costs only $ 27. It is 4 to 5 times less the price.
Anyhow I made chess genius play with deep rybka 4 on 2 separate computers, with the same time and depth constraints. I used “instant play” option on chess genius which means the engine will make a move in split second. And i used “fixed depth” of 1 on deep rybka 4 so that it too makes move in an instant (in less than a second).
With this, i was expecting deep rybka 4 to crush chess genius simply due to its price. However to my surprise the game ended in a draw after 78 moves. Deep rybka despite being $ 130 failed to overpower $ 27 chess genius at the “instant” move game.
So is deep rybka overpriced? Deep rybka has been defeated by human, but it never played world champion vishy anand or garry kasparov. Chess genius defeated kasparov twice (the first computer engine to ever defeat kasparov) and defeated vishy anand twice too, during the 1990′s.
So why is rybka $ 130, whereas chess genius only $ 27?
Best answer:
Answer by Server Error
rybka is overpriced. i have both too. and when rybka defeats chess genius it is often after around 90 moves or near 100 moves (at the same depth and level). Doesn’t really convinces me for $ 130. Rybka says its ELO rating is 3200, whereas chess genius claims ELO rating of 2800. 2800 ELO = $ 27. 3200 ELO = $ 130. That is ridiculous.
That is 1 cent per ELO rating for chess genius. and about 4 cent per ELO rating for rybka. Sure rybka is stronger, but not by that much.
however at the instant play level chess genius is the toughest. nothing matches it and that’s its biggest strength. chess genius itself claims, “incredibly powerful play at instant move too”.
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Filed under: Computer Chess Game
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One game means nothing. Try a long match, of at least 25 games or so, and then report back the results.
Also, try slightly longer different time controls, rather than just a move per second.
Is Rybka overpriced? If you know where to look, Deep Rybka 4 is available for free online, so in that sense paying anything is paying too much. (But to download it in this manner, of course, would be doing so illegally.)
My version of Deep Rybka 4 is stronger than Fritz12.
Note: Stockfish, an engine that is available for free, is as strong or nearly as strong as Rybka.
Unless you are a professional chess player, paying $ 130 for a chess program is just too much. Any one of commercially available programs would make a great sparring partner, and neither one will teach you to play better chess if all you do is play against them.
Pitting two computer programs in a match against one another is a different matter entirely: you need two computers of identical configuration, and an efficient link between the two to relay moves, otherwise any such test is flawed. That said, you were right to expect that if the $ 130 is so much stronger than a $ 27 one, it would be quite obvious even in one game, so it sounds like you already have the answer to your question.