World Championship winning computer chess
software program & downloads for chess database, analysis & play on PC, Mac and
iPhone
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Chess Software Apps for PC and MacWelcome to HIARCS Chess Software, the home of Chess Explorer for PC and Mac offering chess game databases and chess game play with the HIARCS chess engine - a multiple World Championship winning computer chess game program, three time World Chess Software Champion and a World Computer Chess Champion. HIARCS is the chess program generally used by five time World Chess Champion Vishy Anand. Our new HIARCS Chess Explorer application is an intuitive and powerful graphical user interface offering world class chess database, analysis and playing software for Mac chess players and PC chess players. Our latest October 2019 applications support all macOS versions since 10.10 including the latest Mac OS Catalina and Windows 7, 8 & 10 (all editions). We also offer the unrivalled HIARCS tournament and reference chess opening books with latest chess theory and the Deep Junior chess engine, a many time World Computer Chess Champion. HIARCS is renowned for its high quality, human like chess play, realistic weaker levels and chess performances from handheld devices to multi-core laptop and desktop computers. You can purchase the latest HIARCS Chess Explorer, opening books and Deep Junior chess software direct from the developers only on this website. HIARCS is proud sponsor of the International Correspondence Chess Federation.
Latest news:
HIARCS Chess Explorer App for Apple MacThe ultimate chess database, analysis and
playing program application for Mac
HIARCS Chess Explorer is the best chess database,
analysis and playing program for Apple Mac. It offers a truly Key features include:
HIARCS Mac Chess Explorer is a software download product. It is a complete chess application with world class Graphical User Interface, chess engines and chess games databases, opening books and endgame tablebases. The ultimate Mac chess software for the Apple Macintosh. "I prefer using HIARCS Chess Explorer to Chessbase" - John Saunders, Chess Editor of Chess magazine for many years. "In summary, this is an excellent chess system that is suitable for players of all strengths. It has a lot of features, comes with a super-strong engine, and it is very easy to use. Highly recommended" - Joe Petrolito, review for Australasian Chess. HIARCS' 40th birthday SALE now on...
Prices
from*:
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HIARCS Chess Explorer App for PC WindowsWorld class chess database, analysis and
playing application for PC
HIARCS Chess Explorer is an exciting new chess database,
analysis and playing program for Windows.
Key features include:
"I prefer using HIARCS Chess Explorer to Chessbase" - John Saunders, Chess Editor of Chess magazine for many years. "In summary, this is an excellent chess system that is suitable for players of all strengths. It has a lot of features, comes with a super-strong engine, and it is very easy to use. Highly recommended" - Joe Petrolito, Independent review for Australasian Chess. HIARCS' 40th birthday SALE now on...
Prices
from*:
LEARN MORE about PC Chess Explorer
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 | Online access to the official HIARCS Human Reference and GM++ books with latest human theory and play updated monthly. |
| Online access to HIARCS Tournament opening book with updates in October, January, April and July |
| Includes tournament and human reference books |
| Moves analysed with statistics and up to date with latest chess opening theory |
| Upon purchase you will receive a personal book license code which can be used in PC and Mac HIARCS Chess Explorer to enable direct access to the books in the Opening Explorer views |
| Subscription lasts 1 year and is renewable |
Click for more details on all HIARCS Opening Books and subscriptions.
If in addition you want access to the HIARCS tournament opening book in Chessbase CTG or HIarcs HCS format you need the HIARCS Chess Opening Book Subscription instead.
Price*:
£33.65 / €39.95
/ $44.95
SAVE 20% NOW £26.92 / €31.96 /
$35.96
LEARN MORE about Online Chess Openings
¹ Computer opening books contain positions,
moves, statistics and play recommendations, they do not include games
and textual
comments.
HIARCS
Chess Opening Book SubscriptionWorld's Strongest and broadest chess opening
books¹
Suitable
for all players from beginners to the World Chess Champion
Platform: PC Windows, Mac OS X, iPhone/iPad
Required: Chessbase GUI or HIARCS
Chess for iPad/iPhone or HIARCS Chess Explorer
Latest update: January 2020
includes latest human theory analysed with unique play recommendations
Tournament CTG book with 22,729,989 positions/moves and 1,807,576
variations based on 4,831,080 top quality games
Includes one year online access to our unrivalled Tournament, Human Reference and GM++ opening
books totalling over 97 million positions!
"I subscribe to your Powerbook now and
I'm pretty impressed by it, I use it all the time in my chess teaching. As far
as I know it is the best publicly available book."
Larry Kaufman, Grandmaster and World Senior Chess
Champion.
Each HIARCS product comes with its own chess opening book at the time of the release of the particular product. However, many chess players need to remain up to date with the latest chess opening theory throughout the year and online chess engine players like to have the latest and strongest chess opening book. For many years HIARCS has had the strongest opening book available and it keeps getting stronger with every release. We have even supplied the HIARCS tournament chess opening book to help many time World Chess Champion, Vishy Anand's team prepare for matches and tournaments.
The latest HIARCS tournament opening book is available in Chessbase CTG format (for PC), HIARCS' own HCS format for Mac and PC with regular updates for subscribers to the HIARCS Chess Opening Book Subscription product. Improvements per year have averaged about 80 Elo points. Over the course of a year the opening book may contribute more to chess strength improvement than the increase in chess engine strength.
The HIARCS Chess Opening Book Subscription offers the following:
| Latest HIARCS tournament chess opening book in CTG, HBG and HCS formats with online access for HIARCS Chess Explorer customers. |
| Quarterly updates usually in July, October, January and April - you will be sent an email with details of each update. |
| Direct access to human reference if you already have HIARCS Chess Explorer |
| Up to date with the latest chess opening theory for unrivalled strength |
| Average improvement of 40 Elo per year |
| Upon purchase you will receive a link and login details for downloading the latest HIARCS opening book and many previous opening books!. |
| Subscription lasts 1 year and is renewable |
| Unrivalled track record of opening book delivery and improvements since 2010 |
Click for more details on all HIARCS Opening Books and subscriptions.
HIARCS Chess Opening Books are for software download only. They require either the HIARCS Chess Explorer GUI (direct access), a Chessbase/Fritz GUI for CTG, HIARCS chess engine for HCS or HIARCS Chess on iPhone/iPad for HBG. Statistics are only available for direct access, CTG & HBG format books. The HCS format book can be used by HIARCS 14 engines on Mac and PC.
Price*:
£44.95 / €52.50 / $58.95
SAVE 20% NOW £35.96 / €42.00 /
$47.16
LEARN MORE about Chess Openings Subscription
Suitable for significantly improving the
performance of any chess player or chess engine.
"I have tried the
book in several configurations. Means in autoplayer games at home, at FICS
chess server and at playchess. I am very impressed. My feedback: This book
is a masterpiece ! Congratulations" -
Clemens
"Clearly a
lot of work has been put into this book to provide strength in depth so the
openings hold up in different time control games.
Excellent value for money in its own right but with a quarterly update ...
just superb." -
PeterG
¹ Computer opening books contain positions, moves, statistics and play recommendations, they do not include
games and textual
comments.
Deep
Junior Yokohama UCI for Apple Macintosh
The World Computer Chess Champion chess engine for
Mac OS X
Platform: Any Intel based Apple
Macintosh™ computer (2007 or later) running Mac™ OS X 10.7 (Lion), 10.8
(Mountain Lion), 10.9 (Mavericks), 10.10 (Yosemite) and 10.11 (El Capitan),
10.12 (Sierra), 10.13 (High Sierra), 10.14 (Mojave)
Playing ability: World Chess Championship strength (3200+ Elo)†
Deep Junior retains World
Computer Chess Champion title in Yokohama, Japan
Deep Junior by Amir Ban
& Shay Bushinsky is the 2013 World Computer Chess Champion which it
retained in Yokohama, Japan. The Deep Junior Yokohama World Champion engine and is as aggressive and attacking as ever with a wonderful sense for
king attacks and dynamic play - an essential partner for any attack minded
chess player. The Deep Junior chess program is unique in its understanding
of compensation and therefore chess players of all standards can use Junior
to gain a deep insight into their games and prepare new exciting lines
involving sacrifices with confidence. Deep Junior Yokohama is the strongest ever Junior and
capable of supporting up to 40 cores simultaneously for the ultimate performance.
Read more about
Deep Junior for Mac...
Key features:
| Deep Junior Yokohama multi-processor UCI chess engine (64 bit) |
| Older Deep Junior 13 & 13.3 engine included |
| Latest and strongest ever Deep Junior chess engines with most entertaining playing style |
| Supports up to 40 cores with an improved multiprocessing algorithm |
| Strength Limitation feature adjusts playing strength to suit players from casual amateur to Grandmasters |
| Many time World Computer Chess Champion evolution of the program that drew match with Kasparov in 2003 |
| Integrated engine book and Junior CTG opening book by GM Alon Greenfeld |
Deep Junior Yokohama is a UCI chess engine for Mac OS 10.7, 10.8, 10.9, 10.10 or 10.11 requires UCI compatible Mac chess GUI such as Mac HIARCS Chess Explorer. The Deep Junior chess engine is a software download product
Price*: £37.50 / €44.95 / $49.95
LEARN MORE about Deep
Junior Chess on Mac
Deep
Junior Yokohama UCI for PCThe World Computer Chess Champion chess engine for PC MS Windows
Platform: PC MS Windows™
XP, Vista, Windows 7, 8 & 10 (32 and 64 bit)
Playing ability: World Chess Championship strength and beyond (3200+ Elo)†
Deep Junior retains World Computer
Chess Champion title in Yokohama, Japan
Deep Junior by Amir Ban
& Shay Bushinsky is the 2013 World Computer Chess Champion which it
retained in Yokohama, Japan. The Deep Junior Yokohama World Champion engine and is as aggressive and attacking as ever with a wonderful sense for
king attacks and dynamic play - an essential partner for any attack minded
chess player. The Deep Junior chess program is unique in its understanding
of compensation and therefore chess players of all standards can use Junior
to gain a deep insight into their games and prepare new exciting lines
involving sacrifices with confidence. Deep Junior Yokohama is the strongest ever Junior and
capable of supporting up to 40 cores simultaneously for the ultimate performance.
Read more about
Deep Junior for PC...
Key features:
| Deep Junior Yokohama multi-processor UCI chess engines (32 & 64 bit) |
| Older Deep Junior 13 & 13.3 engine included |
| Latest and strongest ever Deep Junior chess engines with most entertaining playing style |
| Supports up to 40 cores with an improved multiprocessing algorithm |
| Strength Limitation feature adjusts playing strength to suit players from casual amateur to Grandmasters |
| Many time World Computer Chess Champion and the program that drew match with Kasparov in 2003 |
| Integrated engine book and Junior CTG opening book by GM Alon Greenfeld |
Deep Junior Yokohama UCI is a PC Windows software download product only. It does not include a Graphical User Interface (GUI) so requires a GUI such as HIARCS Chess Explorer, Fritz, Chessbase, Arena, Chess Assistant, Shredder, Chess Partner etc, that support UCI engines.
Price*: £37.50 / €44.95 / $49.95
LEARN MORE about
Deep Junior Chess on PC
HOW
TO BUY
World's strongest iPhone
chess software
Suitable for all, from
beginner to strong Grandmaster with human-like play, energy saving handicap
levels and coaching.
Platform: iPhone (iOS 8.0 or later) - all
editions
iPhone 5, 5c, 5s, 6, 6+, 6s, 6s+,SE, 7, 7+, 8, 8+ & X (+) retina graphics
Playing ability: Beginner (1000 Elo) to Strong Grandmaster (2850+ Elo)†
64 bit HIARCS Chess now available for iPhone
"The playing program is good. It is good enough to beat
99.9% of chess players on this planet....It gives an excellent entertainment and
educational value...On the
scale of 1 to 10, I give it a 9.5. Well done!
HIARCS is a multiple World Championship winning chess program that has proven to be the strongest chess program on Palm and Pocket PC devices and is now available for the iPhone and iPod Touch.
This power enables your iPhone to play chess like a super Grandmaster, analyse games and chess problems with you, while offering numerous features to help you learn and improve as you play with HIARCS.
HIARCS Chess has a full range of realistic weaker opponents and playing styles catering for all players from absolute beginners to professional Grandmasters. On the weaker playing levels HIARCS will make human-like mistakes appropriate to the level of play and this together with the in-built coach watching allows you to learn and improve quickly. HIARCS can even adjust its playing strength as you improve and learn more. In addition it offers these great features:
| Strongest chess program on iPhone and iPod Touch - genuine strong super GM level |
| Suitable for all players with low energy settable Elo levels and opponents |
| Play white or black, analyse or watch game with settable chess clock for timed play |
| Rates your play in Elo, a coach warns about mistakes with hint moves and takebacks |
| Friendly user interface with 8 piece sets, 9 colour schemes and figurine notation |
| Access to the super strong HIARCS tournament book with move stats and opening names displayed |
| Exchange PGN databases with you device and Load/Save/Email games, set up positions, navigate through game |
To find out more about this new Apple iPhone chess product visit our HIARCS iPhone Chess product page.
LEARN MORE about HIARCS
iPhone Chess
World class iPad
chess software
Suitable for all, from
beginner to strong Grandmaster with human-like play, energy saving handicap
levels and coaching.
Platform: iPad - all editions (iOS 8.0 or later) - inc.
Retina graphics.
Playing ability: Beginner (1000 Elo) to Strong Grandmaster (2925+ Elo)†
64 bit HIARCS Chess now available for iPad
"The playing program is good. It is good enough to beat
99.9% of chess players on this planet....It gives an excellent entertainment and
educational value...On the
scale of 1 to 10, I give it a 9.5. Well done!
HIARCS is a multiple World Championship winning chess program that has proven to be the strongest chess program on Palm and Pocket PC devices and is now available for the iPad.
This power enables your iPad to play chess like a super Grandmaster, analyse games and chess problems with you, while offering numerous features to help you learn and improve as you play with HIARCS.
HIARCS Chess has a full range of realistic weaker opponents and playing styles catering for all players from absolute beginners to professional Grandmasters. On the weaker playing levels HIARCS will make human-like mistakes appropriate to the level of play and this together with the in-built coach watching allows you to learn and improve quickly. HIARCS can even adjust its playing strength as you improve and learn more. In addition it offers these great features:
| Strongest iPhone chess program now on iPad - genuine strong super GM level |
| Suitable for all players with low energy settable Elo levels and opponents |
| Play white or black, analyse or watch game with settable chess clock for timed play |
| Rates your play in Elo, a coach warns about mistakes with hint moves and takebacks |
| Friendly user interface with 8 piece sets, 9 colour schemes and figurine notation |
| Access to the super strong HIARCS tournament book with move stats and opening names displayed |
| Exchange PGN databases with you device and Load/Save/Email games, set up positions, navigate through game |
To find out more about this new Apple iPad chess product visit our HIARCS iPad Chess product page.
LEARN MORE about HIARCS
iPad Chess
HIARCS has Junior have a track record of tournament successes for more than twenty years. In Yokohama, Japan they both achieved World Championship success again.
The
independent SSDF rating group report HIARCS 14 as the top single processor chess
program. Deep HIARCS 14 defeated Deep Fritz 13 28-12
and Deep Rybka 4 24½-15½ at tournament time controls. Deep HIARCS 14
is available in Deep HIARCS Chess Explorer on PC and on Apple Mac
June
2018 HIARCS
Chess wins CSVN tournament with 9/9!
May
2017 HIARCS
Chess wins CSVN computer chess tournament
See more on the HIARCS tournament page
For over 15 years some of the best chess players in the world including multiple World Champions have been using HIARCS to prepare, analyse and play against. HIARCS is the result of 25 years active development by author Mark Uniacke and was the first PC chess program in history to win a match with an International Master (1996) and in 2003 it became the first chess program on a single processor to draw a match against a Super GM. In 2005 HIARCS on a Palm PDA became the first and only handheld chess program in history to defeat a GM in a match and in 2006 it was again the first and only handheld chess program to win a GM/IM tournament! In 2008 our Pocket PC chess engine won the 2008 Mescusor Cup in Buenos Aires, Argentina ahead of Grandmasters scoring 8/10 in the process. This is a performance of 2691 Elo which is the best ever chess performance rating of a chess program on PDA in a Grandmaster tournament in history. Meanwhile its big brother HIARCS on PC and Mac was producing brilliant attacking chess to win a number of international computer chess tournaments and was top single computer in the World Computer Chess Championship in Beijing, China, Oct 2008. In August 2009, our Pocket PC chess engine went more than one step better by scoring an unprecedented and undefeated 9½/10 points (3 points clear of second placed Grandmaster) and 2938 Elo performance rating! The greatest performance by any handheld chess computer in history.
"For me the Hiarcs brand is to PC chess what Mephisto was to dedicated - classy and a brand I trust." - Howard Deere
Recently a couple of customers posted these assessments of the HIARCS series of chess programs on a public forum, we think they nicely sum up what HIARCS is all about:
"...there is something that has been his [Hiarcs] monopoly, ever: style... The essence of Hiarcs style, if we still will use the word, is kind of an unrelenting, sharp, murderous, pitiless ability and hunger for blood... Hiarcs kills you as a guy jumping on you with a sword would do. No matter how good your position seems to be, how solid and ultra defensive, Hiarcs suddenly will find a corner to kick and put all your building in ruins. It is exhilarating to play it, more, lot more than with any other strong program. It is a real pleasure to be defeated that way. Fast, lightning, unexpected death." - Fernando
"Hiarcs by Mark Uniacke comes in so many formats there is virtually no place you can't play a game against it. HIARCS is actually an acronym that stands for "Higher Intelligence Auto Response Chess System", and it truly lives up the name. In 1997, during his rematch with Deep Blue, Gary Kasparov had this to say about HIARCS: "HIARCS is much better positionally than Deep Blue." HIARCS also holds the longest standing reign for maintaining a top 5 rating in the World. It has the distinction of improving the most per version over the course of it's history as well. Oh.. by the way.. it's a World Champion as well." - Peter Skinner
"If Hiarcs 11 is like a samurai that cut your head with a sharp blade in an instant, Hiarcs 12 is like a surgeon that extracts your brain from move 10. You simply do not see you are already dead... HIARCS 12 is even more dangerous, more vicious, more unstoppable. I am good enough not to fall in tactical mistakes, but Hiarcs does not need that to crush the opposition. Just a microscopic, a marginal imprecision, a matter of almost nothing and your fate is already written in the wall." - Fernando
Even the world's greatest ever player, Garry Kasparov, used HIARCS to prepare for IBM's Deep Blue 2!
Unsure if you need a professional chess program like HIARCS? - read our "Why Choose HIARCS?" page.
Historical old HIARCS version now being made available on our free chess software page.
We can confirm that the HIARCS team provided help to 5 time World
Chess Champion Vishy Anand in his matches with Veselin Topalov, Boris Gelfand &
Magnus Carlsen
Listen to World Chess Champion Vishy Anand talking
about some of the help provided by the HIARCS team
"generally I use
HIARCS." - Five time World Chess Champion
Vishy Anand, in a recent interview when asked what chess program he uses to
analyse with World Chess Champion, Vishy Anand, used "Powerful" HIARCS machine in preparations for his 2010 & 2012 world title matches "This level of service is one other big reason to buy HIARCS." - John Jackson † Highest performance
reached depends on computer used.
Computer Chess Software
with world class chess engine playing strength. |
It
is 40 years since the first HIARCS chess engine was created! ![[New!]](smallnew.gif){kind=small}
.
Please read our