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There are 6 results for Ka Wi in the games.


Game_124257   Game_124263   Game_124264   Game_124265   Game_124266   Game_124267  




There are at least 19 results for Ka_Wi in the forum.


Scott Nichols    (2016-02-16 14:45:49)
Stockfish 7, Komodo 9.2 or 9.3

Still use Rybka with some help from SF.


Wayne Lowrance    (2010-06-25 21:03:22)
Save/Reload hash in Rybka

Howdy all. I am very excited. I just learned how to use the above option found in Engine folder. All these years I have never used it, never understood it, so saw no need.
I am on Rybka forum all the time and saw this talked about. What a great tool in my opinion. Here is how it works.
How many times have you ran infinite analysis only to have to shut down or reboot etc. If you do it you loose all of Rybka analysis accumulated to that point and a complete loss of time.
For example:
suppose Rybka has been analysing for hours and is a depth 26 current. Before rebooting Rybka go to engine folder and tick "save hash" All of Rybka current positional analysis collected up to 26 is then saved in a file you create.
When you restart Rybka, load your game and go to engine folder in Rybka, tick "load hash" and start. Rybka will begin at depth 26 where it left off from your hash save.
Golly Terrific.
Wayne


Rodolfo d Ettorre    (2010-01-01 02:50:25)
Open Source ...

Really I think a commercial program like Rybka will be very likely the strongest not because of the software developers working on ir, but because they can get some tips from open source programs, like Robbolito.


Thibault de Vassal    (2008-10-06 18:03:43)
Rybka is World Computer Chess Champion

No surprise, Rybka wins the 16th World Computer Chess Championship (2008)... Strangely, Rybka was running on the most powerful hardware, a 40-core system, in comparison Mobile Chess was running on a Nokia cell phone, so results are to be compared. Anyway, good result for Hiarcs, and a (very) bad tournament for Shredder.

The tournament results :

Rybka 8.0 / 9
Hiarcs 7.0 / 9
Junior 6.0 / 9
ClusterToga 5.5 / 9
Shredder 4.5 / 9
Falcon 4.0 / 9
Jonny Beijing 4.0 / 9
Deep Sjeng 3.5 / 9
The Baron 2.5 / 9
Mobile Chess 0.0 / 9


Benjamin Block    (2008-09-13 14:01:21)
Rybka vs 1900 man.

Rybka will win that game if the player not are under rankad. But what about 2100 vs computer?


Thibault de Vassal    (2008-09-12 14:39:49)
Rybka 3.0 about 2300 at FICGS ?

According to Larry Kaufman from Rybka team in the discussion linked above :

"If we assume that both sides have the same opening book, then I think two things are fairly safe to say: 1. A good human chessplayer (or even a bad one with good centaur skills) + same Rybka will win a long match from unassisted Rybka. 2. In any individual game, the chance of a draw is fairly high. (...) I mean more than half the games, but not way more. The actual draw percentage depends very heavily on the opening book used."

I agree with that, so I assume that Rybka 3.0 thinking at least 24 hours per move would have a correspondence chess rating of about 2300 at FICGS.

Any opinion ?


Thibault de Vassal    (2007-12-12 05:36:58)
Fritz 11 near Rybka 2.3.2a

I just discovered the CEGT 40/20 new rating for Fritz 11, it confirms that Rybka will have serious opponents soon !

CEGT 40/20 : Rybka 2.3.2a - 2971, Fritz 11 - 2921 (50 points diff. only)

Waiting for Fritz 11 rating in CEGT 40/120 rating list.


Thibault de Vassal    (2007-09-10 22:42:32)
chess engines

First of all, every chess engines is a choice, ie. about selectivity, and has consequences & weaknesses in particular positions. Fruit/Toga algorithm is really good but it has probably still much less chess knowledge than Rybka. I think Rybka's algorithm is really better also, Vasik Rajlich added some "human features" while other programs still think about chess like mathematics.

Rybka changed correspondence chess because Fritz or Junior (very strong chess machines) added to a good chess player makes a good centaur while Rybka is "almost" a centaur itself... Consequently a weak chess player can reach quite easily a 2100/2200 rating. That's the main reason...

Of course Rybka will always make some bad moves, but it/she builds an advantage move after move against other engines in most cases in 'calm' positions. HIARCS, that was told during a long time to think most like a human, was not a strong 'chess machine'. I don't know much about Hiarcs 11/12, but Rybka is a major improvement in this way IMO.


Christophe Czekaj    (2007-09-07 12:44:20)
To Jason

Hello Jason ! It’s just a question to have the possibility to play correspondence chess (for fun, not neccesarily studying or analysis, just the pleasure of finding moves, ideas (you know, what Bronstein called imagination) not rating, not to be classified as expert, or I don’t know what…) with people without computer. If they lie and use computer ; OK, we can’t be sure, but I’m certain you could accept that some players can trust other players when they say they don’t use computers. For example, I trust Philip when he said this, it’s just a question of being a gentleman. If there are cheaters ok, so what… Rybka will win And I don’t undestand your topic about class of players : I hope I‘ve the right of posting some commentaries on this forum, despite the fact being largely behind you in term of rating… I think we can still play chess without computer, and with rating or not, it’s the same game for me. Philip and I just think it could be kind to play with other players with a kind of gentleman’s agreement. Sorry if it bother you


Albert H. Alberts    (2007-06-25 14:36:49)
World Computer Chess Championship (WCCC)

All: JUNIOR has won over Fritz in Elista.RYBKA wins Olympiade Amsterdam. It got me thinking: instead of being an 'engine-to-engine contest can it be that the whole thing is a book-to-book contest? The program that has the best opening book with novelties will come out on top, invariant from the engine. Is that why RYBKA is so good? IM V.Rajlich? The future WC will be the program with the best book. The future WC tournament chess will be the one who knows this book. Maybe they will be one and the same person? Great news for the sport I think. Greetings Albert H. Alberts,Amsterdam www.howtofoolfritz.com


Glen D. Shields    (2007-06-23 00:14:24)
Chess Engine Strength

Thibault - I've been following the TCCMB discussion. I think it's impossible to answer the question what rating Rybka can achieve under the uncontrolled circumstances we play. If Rybka were playing only against humans, it would achieve a 2600+ rating. Since it plays mostly against itself and other top engines (with little human intervention), the typical results are win a few games, lose a few games and draw a lot.

Since tournaments are mostly set up so that players face opponents with similar ratings, a 2220 rated player using Rybka enters a tournament against other 2200 players. That player wins a few games, loses a few, draws a lot and leaves the tournament at approximately 2200. We conclude from that pattern that Rybka can achieve a 2200 rating.

Conversely, a player (like Uri Blass) who enters tournaments at 2600 and plays other 2600 rated opponents using Rybka wins a few games, loses a few games and draws a lot. He leaves the tournament rated approximately 2600. We conclude for that situation Rybka is rated 2600.

IMHO, it is impossible to answer the Rybka rating question under our typical tournament circumstances.

I think an even better question than worrying about Rybka's strength is "does anyone REALLY enjoy CC anymore?" Today's CC's is a race to buy the fastest hardware and make sure SSDF's top rated programs are installed. I'm playing beginners who can't explain what "en passant" is, but by parroting Rybka they compete in top tournaments and claim to hold titles that once upon a time had to be earned through hard work. After passing through the opening, it doesn't take much effort to figure out what program your opponent is using. At that point one can predict with high probablitlty every move your opponent will make for the rest of the game. Rarely do I see a move that I can can beat. The games are boring and pedictable. Those blunders and surprises that we once wrote funny stories about are long gone. IMO so is the fun.

Sorry to sound so "pessimistic," but until these problems are addressed and the fun is restored I find it just as easy to play against my computer. I can play at my pace, chose the engine I want to play, and unless my computer crashes I no longer have to worry about DMD :-)

Thanks for such a well run place to play chess. You do a great job maintaining it.

My best,

Glen


Thibault de Vassal    (2007-06-18 02:05:59)
World Computer Chess Championship (WCCC)

Is this World Computer Chess Championship still worth something without programs such as Hiarcs, Junior & Fritz ?

This way, only 3 or 4 games are decisive and undoubtly - or I should say randomly - Rybka will win ahead of Zappa and Shredder. At least Rybka will obtain the "last major" title to pretend to be the very best chess engine.

WCCC 2007 - http://www.grappa.univ-lille3.fr/icga/news.php


Thibault de Vassal    (2007-06-15 17:12:39)
Online chess today

A few links to discussions at TCCMB (The Correspondence Chess Message Board) on chess servers nowadays, future of ICCF, correspondence chess [once more] and so on...

http://ancients.correspondencechess.com/index.php?topic=105.0

http://ancients.correspondencechess.com/index.php?topic=109.0


In the second discussion I tried to answer on the future of correspondence chess & chess engines :

1) Like the 'tour de France', it is impossible to organize a "bicycle race" at chess without doping today IMO. Also there are so many 'products' : Various books, databases, engines, human help.. so it seems to me that it is a non-sense to try to make it like an OTB tournament. Online chess is "motorcycle races" & freestyle, nothing else.

2) The ratio of wins does not decrease much in computer games & advanced chess (blitz), and correspondence chess games will never be all drawn IMO. We just have to follow the horizon line... Engines still have difficulties when there are 32 pieces on the board... Make the position more and more complex & critical, play Benoni structures, East indians and English openings... There will probably be more and more draws but when looking at CC 2500+ games, the ratio is still quite good. The problem at CC is mainly the style of play with humans 'humanly' trying to remain in known positions where they can win and can't lose.

'The good fighters of old first put themselves beyond the possibility of defeat, and then waited for an opportunity of defeating the enemy', 'Opportunities multiply as they are seized' (Sun Tzu)

A solution is to make rules that motivate players to avoid draws, particularly when playing against a higher rated opponent. (ie. the rule for FICGS 8-games matches)

3) We feel that engines play almost perfect chess because of our poor human's level of play (I should say ratings)... But engines & computers have to improve a lot yet - not obvious they can do it in a more or less near future -, the horizon line is not so far, each version of Rybka wins about 30 elo points... We'll see engines at level 3200, 3300 maybe much more... (4000 ?)

4) If too many players have their CC rating between 2750-2800 in future, we can make new rules : Ratings wouldn't be calculated on the basis of each game, but on the basis of ie. 8-games matches... Then strategy would be more important & we would see rating gaps again between the best players...

Finally if I'm completely wrong, play Big Chess ;D


Thibault de Vassal    (2007-05-03 21:24:27)
opponents

To implement chess knowledge is a question of time, I'm not sure it was a priority in the last Fritz/Junior versions. Rybka will have serious challengers in a few months, one year at most :)


Garvin Gray    (2007-05-03 19:41:36)
opponents

Agree that Rybka will have serious opponents soon. Most likely in the form of Rybka 3 :)


Thibault de Vassal    (2007-04-23 22:31:50)
Rybka tops SSDF rating list

2007 april 21 - New SSDF computer chess rating list is out !

http://web.telia.com/~u85924109/ssdf/list.htm

Rybka 2.3.1 tops the list with 2962 elo, followed by a surprising Hiarcs 11.1 with 2871 elo. Then, Junior 10.1 and Fruit 2.2.1 followed by Shredder 10. That's a pity Fritz 10 and probably Zap! chess Zanzibar are not rated yet.

The king Rybka will probably have serious opponents soon...


Thibault de Vassal    (2007-04-23 21:34:41)
Deep Fritz vs. Deep Junior

http://www.chessbase.com/newsdetail.asp?newsid=3802

FIDE will organize a computer-computer 6-games match during the final days of the candidates match in june in Elista.

The "players" : Reigning computer chess world champion Deep Junior and 'reigning world champion' Deep Fritz. Time control : 75 min + 5 sec / move, the winner will get $60,000, the loser $40,000

This match brings a few questions : No particular comment on the choice of the engines, Rybka will wait for a win in a computer chess world championship... However I can't see a real interest for FIDE and for chess in such a match. I mean 6 games of rapid computer chess.. $100,000 !? Of course it will attract a few new players - to beat computers is an attractive challenge. But at least I hope Chessbase is the main sponsor :) .. does it mean a new Deep FRitz and Deep Junior version in june ? .. I hope that the games analyzed by Rybka 2.3 won't reveal the engines too poor.. :/ .. Finally what 'title' for the winner ?! ;)


Thibault de Vassal    (2007-02-10 03:08:52)
Rybka, Fritz and future...

Computerchess is definitely an exciting challenge... The community is fast-growing, new versions of chess engines appear every day, many dream to be the next Vasik Rajlich and to produce an engine that would beat the well-known Chessbase engines and the famous Rybka.

These days, I had a look at Fruit 2.1, TogaII and Crafty source code that are available to download, and started to implement new search & evaluation functions. It's quite easy to understand why chess programming is so addictive, so much done and so much to do... finally I did not enter this mad race without an ending, probably for the same reasons Anthony Cozzie (the author of Zap! Chess Zanzibar) and many others retired.

However here are my feelings about future of chess engines, and the fight that just started between most probably Chessbase engines (Fritz, Shredder, Junior and Hiarcs) and a new era of chess engines that started with Rybka...


First, it's quite obvious to me that Rybka (now Rybka 2.3) is only another one of a long series of chess engines always stronger than each others ! .. I expect the next ones to reach 50, 100 then 200 points more (and maybe more) on the next chess engines elo rating lists, a scale that definitely can't be compared to human elo rating list ! .. Several reasons to this : (1) Chess engines are human killers at standard time controls, but chess engines are far to play perfect chess yet. (2) The way ratings are calculated.

Rybka taught us several things IMO :

- Algorithms and evaluation functions are no more enough. Now chess engines have to play chess, not only search a tree of chess positions... That's probably what Rybka brought to computerchess. Since Fruit 2.1 & Toga II source code is available, and computerchess community is constantly discussing improvements in algorithms, evaluations of positions and new ideas, to implement a chess engine becomes easier so I have no doubt that new very strong chess engines like Rybka will come.

- To become famous, a chess engine must 'also' beat his rivals. I first thought that Rybka was designed to be an engines killer only (at least before to be an analysis tool) with some tricks exploiting most engines weaknesses. No, Rybka is also a great UCI engine, simply stronger and with many options & features. Like Vasik Rajlich, who is engineer and international chess master, you'll have not only to think like an engineer to create such an engine. However I still don't think it is the best analysis tool for correspondence chess, it doesn't play really better chess and in all cases it is not enough. More, Rybka 3, 4, 5 shouldn't influence correspondence chess (maybe even human vs. machine) much... Computerchess influences computerchess first.


It's written sometimes that the strongest chess engines could reach a IM, even GM level at correspondence chess. I definitely disagree with that, at least for the moment (it will take a long time yet), but as chess engines results tend to approach correspondence chess ones (means more and more draws), I do think chess engines have much to learn from correspondence chess players way of thinking, meaning : A more psychological approach, bonus for traps detection. Evaluate moves, not only positions. A more complex search, not 'only' iterative (brute force is definitely useless). No more anti-human style, speculative moves (=weakness, ie. Deep Junior) for speculative results against strongest chess engines, draws are prefered. To avoid positions not understood by the engine. Longer games, closed games (if supported)... Opening books should look like correspondence chess GMs ones (of course according to the engine's style of play) and no more been made of FIDE GM games. A better time management... Future of computerGo may teach to computerchess about some evaluations.

A chess engine must play good moves AND try to win (which is not always the same). It seems Fruit & Rybka play solid and are waiting to exploit their opponent's weaknesses thanks to a better "chess" algorithm/knowledge. As far as I have seen, Shredder & Fritz still have the best 'eye', they see far but fuzzy. Quite the same about Fruit & Toga developped by a great engineer, Fabien Letouzey : Less chess knowledge but an improved algorithm. As for Rybka, a great chess knowledge and probably a smarter algorithm (not better, smarter !) were probably enough already. The future best chess engines will be made by good chess players...

An interesting point is it could be not so easy, maybe even nonsense, to create the best analysis tool that would also obtain the best results against other chess engines. My first prediction is Rybka won't be the top rated chess engine ever, hundreds of new ideas will appear in all parts of chess programming, slowly breaking Rybka secrets, then speed will be a factor again. Deep Fritz, Junior, Fruit or Hydra are most probably the core of the next generations of chess engines... but there's a lot of work yet :)

My two cents.


James Stripes    (2006-10-03 16:13:13)
curious

I have approximately 64 chess engines, including the beta version of Rybka 1 (the free version). In engine tournaments on my box, it has prevailed against my strongest commercial engines. However, the centaur play that is the norm here presents Rybka with an entirely different sort of playing environment than those in which it has demonstrated its superiority. As I am new to this type of play, I don't yet know how Rybka measures up to the likes of Junior, Shredder, and Hiarcs.




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Play the strongest international correspondence chess players !


Marciz, Alexander     (RUS)        [member # 11810]

Correspondence chess : 2501       FIM

Ranked  #  26   in the rating list.

Rating history :  No change this year.



Advanced chess :   2332      


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Alexander Marciz




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