• Chess Database with 30 million games,
    world biggest collection of chess games

  • Over-the-board database with 9 million,
    Correspondance with 2 million human games.

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    great database for every chess players.

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Chess Database - Pay what You really need

Supporting the Cause

Introducing our annual subscription program, featuring monthly chess database updates for an enhanced chess experience. Please note that this is a digital download product. Upon sign-up, kindly read and accept our Terms and Conditions. You have the freedom to cancel the program anytime before the renewal date. Even if canceled, you will still have access to valuable chess databases lifetime without future updates. Thank you for supporting our cause to make a difference in the lives of underprivileged children through education and donations. Check out our latest chess cause charity, donate chess set and and save 20%

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  • OM CORR
  • €39
  • Correspondence chess database with 2.2 million human chess games. The largest collection of ICCF or corr chess players
  • FOR: Correspondence chess players (e.g. ICCF)
  • UPDATES: monthly
  • Formats: Chessbase, PGN
  • Pay with card
  • Check Out with PayPal
  • Review details
  • OM OTB
  • €59
  • Over-the-board database with 9.8 million human chess games. The largest FIDE/OTB chess database collection.
  • FOR: Classic chess players (e.g. FIDE players)
  • UPDATES: monthly
  • Formats: Chessbase. PGN
  • Pay with card
  • Check Out with PayPal
  • Review details
  • OM GOLEM
  • €99
  • Chess Database with 31 million human chess games. The largest ever collection of human chess games since 1900
  • FOR: Collectors - World largest human chess database
  • UPDATES: monthly
  • Formats: Chessbase, PGN
  • Pay with card
  • Check Out with PayPal
  • Review details
 

Download 56 top openings by Opening Master for free and try our chess databases for free. For indian flag small Indian customers please visit here to pay with local debit cards.

The Opening Master Chess Databases since 2004

Discover the ultimate chess winning game with Opening Master chess databases! Our exclusive collection features over 31 million top human chess games, making it the most extensive human chess database without any duplicates. The OM OTB with 9.8 millions human chess games or OM CORR with 2.2 millions correspondence chess games is something for every chess player.  ♥ Join today and unlock the biggest chess database package, carefully crafted over 18 years of research and development. Opening Master is official database partner of FIDE - International Chess Federation Education Commission, a proud sponsor of ICCF global tournaments and a trusted chess database partner of global chess education platform GCHESS. For our youngest ones we partner with ChessKid.com - the safest online chess platform for children. Opening Master gives back to the community by partnering with Gift of Chess, a humanitarian charitable organisation from NY, USA, to support underprivileged communities in Africa by giving out 1 million free chess sets. If you are a tournament organizer, arbiter, club trainer, streamer or player please join our partner OUTPOSTCHESS see many benefits for you. We offer you the most reliable and comprehensive chess databases starting as low as 39 EUR. Don't wait any longer to take your game to the next level - sign up now and start learning and winning! 

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“It’s the biggest and strongest chess database out there” - GM Simon Williams, CEO GCHESS

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Chess database Matrix

Database name
OTB
Number of games
2,176,302
9,923,727
31,122,118
1,557,730
134,024
Formats supported
cbv, pgn
cbv, pgn
cbv, pgn
cbv, pgn
cbv, pgn
Last Update
04/2024
04/2024
04/2024
01/2024
11/2022

From our kitchen

Sunday, 14 April 2024 21:52

Calling all chess enthusiasts! As the biggest chess database in the world, Opening Master is thrilled to support Tunde Onakoya as he will start an extraordinary journey to break the Guinness World...

Sunday, 31 March 2024 18:16

Upon its debut, The Queen’s Gambit swiftly hit records to the ranks of Netflix's most prominent limited series. Naturally, speculation about a potential second season emerged almost immediately....

Wednesday, 24 January 2024 14:52

As we step into the new year 2024, it's time for chess enthusiasts to set ambitious yet achievable resolutions to elevate their game. Chess is a timeless game which has been here for more than 1000...

Wednesday, 24 January 2024 09:43

Hey, big news. We just release the new OM 1994 chess database. It is the biggest collection of human chess games between 1800 and 1994 and clean. Have a look and download now.

Saturday, 30 December 2023 12:22

What happened in 2023 in Chess? Take a look at the biggest men and women tournaments. Who is the ultimate winner and GOAT ("Greatest of all time" for those who still wonder why people are talking...

Wednesday, 27 December 2023 19:01

We help where we can, the new chess generation needs our help the most. Whether it is direct funding, products, travel reimbursement, T-shirts or licensing to our Opening Master Chess databases. Our...

Friday, 15 December 2023 15:33

HO HO HO, Santa is in the town and brings super trooper chess database deals to you. As every year we are giving out freebies and super discounts which you cannot get anywhere during the year. Still...

Friday, 01 December 2023 20:52

Greetings, chess enthusiasts! The best sales chess event of the year is upon us, and Opening Master Chess Database is rolling out the red carpet for all chess players and passionate strategists....

Wednesday, 01 November 2023 21:35

Greetings, Chess Enthusiasts! We are thrilled to announce the completion of a major overhaul and enhancement to the Opening Master Chess database. Our team has diligently worked on a thorough...

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Our most famous chess databases

If you ask us, which is the most favourite product our customers are buying, the clear answer is OM CORR. All ICCF players love it. The OM OTB is the most powerful over-the-board chess database ever made, and many FIDE GM players use it and OM GOLEM - well it's just the biggest one out there.

 

OM GOLEM

OM GOLEM is the ICON of all human chess databases. The database is so massive that the most robust computers are needed. It has more than 30 million human games without duplicates. It is a mixture of correspondence, OTB, and portal games.

OM CORR

The OM CORR wasn't always a separate chess database until about seven years ago when the need from correspondence players stood out. With 2.2 million games, it is the correspondence best chess database suited mostly for ICCF players.

OM OTB

The OM OTB with almost 9.5 million chess games is the biggest over-the-board collection of human chess one could come up with. It all began in 2004 when creators started to collect games and analyse them. A must package for all FIDE players.

 

The history of Chess Databases

The history of chess as such goes to medieval times and we can write several books about it. The oldest chess board was found in Uzbekistan and goes back to 7th century but when you try to look for information about the history of chess databases you suddenly have no articles to read. So why don't we have a look where does it come from?

I would personally divide the chess database into two big events.

The pre-computer era – Books and notes only

The computer era. (The first personal computer was build by IBM in 1984)

The chess players had following options before the digital age came:

  1. To play with other chess players with similar interest
  2. To learn from books or magazines
  3. Go to chess clubs where they could learn from a trainer or other better players
  4. Play very limited long distance chess with sending snail mail and wait days or weeks for the answer. (Yes the correspondence chess existed before the ICCF and before computers and the Internet.)

The common denominator of all of these games was a certain position on whites and certain on blacks and trying to learn the theory. This theory was then applied to the future games, which were then recorded in the chess notes, chess books, memoir books, and piles of papers. This bigger the collection of chess books was, the better analysis chess player could perform and learn. One of the oldest chess openings was recorded by Ponziani in 1497 and published in the book. The opening was 1. e4e5, 2. Nf3Nc6, 3. c3

The better players were examining their games by looking on the positions and trying to understand / compare it with theory for better possible improvements. The best players were recording everything and creating small paper library of games and openings to which they could return later on. They studied the theory and wrote the comments to the specific positions; they listened to other players and wrote their comments down too. Simply they annotated their own games manually.

The breakthrough from this period of never-ending notes was first publishing of Encyclopedia of Chess Openings created by ‘Sachovski Informator’ (The Chess Informant) from Belgrade, Serbia in 1966 or later in 1985 „Malaja debjutnaja encyclopedia (Concise Opening Encyclopedia)“ by Yakov Estrin"

These were the first concepts of chess databases in table formats. It was the revolution at that time, because it was a synthesis of all knowledge about openings and on the paper. The tables as we know them are many times the basis for databases.

The Chess Informant published two issues per year in 1966–90, three issues per year in 1991–2011 and sold three million books worldwide. The digital age was to come.

The computer era.

With arrival of computers back in 1980s, the chess players were learning this new platform and first chess programs. The revolutionary about this period was to play with a chess program but also record your moves on digital media (excel, notes or other tabulating software). One of the great successes was a world famous PGN format, which chess players use until today. The PGN was devised around 1993, by Steven J. Edwards and was first popularized by newsgroup recording chess games called Usenet.

The players understood that if they play on their own, their improvement would go slower. If their collected games would be exchanged with other chess players on 1:1 basis, this would not hurt anyone, as it was not shared publicly (it was still valued as big know-how). Later on, it was generally accepted that sharing this know-how is actually good for all players (you still need to win the game on the board with your opponent)

The first chess software companies came to the market offering their products, which could manipulate and work with the chess data. The famous German chess database software maker ChessBase GmBH was established in 1986 and ever since markets the software and their own chess database collections. Their current chess database version - “Big Database” includes 6.1 millions of games between 1560-2015.

Company Convekta Ltd released the first version of Russian Chess Assistant in 1990. It has offices in Russia, England and USA and produces chess database software as well as chess database called The Database King with 5,2 million games.

The last but not least, Opening Master – The Chess Database company was founded in 2004 as private collection of its founder Alexander Horvath, SIM (1953-2013) with around 3 million games. Its growth and quality had important milestones, daily data mining across chess Internet website now produce three major OM Chess Databases – OM GOLEM with 10 million human chess games, OM OTB with 7,7 millions over-the-board games (mostly from FIDE) and OM CORRESPONDENCE with 1,6 millions of correspondence games (mostly from ICCF)

If was agreed somewhere during the 90s, that chess game is a free trademark and copyrighted material and thus can be shared freely. However once you work on certain collection of games, this is copyrighted and protected material therefore you should always consult the terms and conditions of copying any portion of the chess database.

To conclude our short brief history of chess database I would summarize in two points:

The exchange of information is only for the benefit of those using it.

We need to use the Internet to store and distribute the chess know-how.

The private collection of chess games depends on quality of these games, duplication and indexing issues, games with actual moves (who needs only headers) and ability to collect them from the official sources. Other criteria (such as annotation) are based on specific needs.

Each chess database software uses their own file formats (Chess Base and Chess Assistant use their proprietary files) while PGN is widely free distributed used by all or free SCID chess database program.

The first real chess databases were born at a time when players realized that getting to know chess requires data, lot’s of data – a CHESS DATABASE. 

Alexander Horvath

CEO OpeningMaster.com

The Chess Database Company

We use Sync.com Cloud

sync is the new save How it works:

1. You select type of Plan you wish to download. OM CORR, OM OTB or OM GOLEM

2. Pay by the  secure gateway PayPal. We accept major credit/debit cards.

3. A confirmation email with the subscription details comes to you.

4. We register your email address to cloud service SYNC and invite you to a shared folder. It's all FREE.

5. You download all the databases to your local hard drive. You will always find a newest version of the Opening Master chess databases on the cloud.

Why Opening Master

  • It's biggest +

    Yes, we have reached a massive collection of more than 30 million human chess games.
  • For correspondence or ICCF players +

    If you are standard or professional ICCF players, the OM CORR database with 2 million
  • For OTB or FIDE players +

    The FIDE collection or OM OTB with more than 9 million games. This is the
  • Top Notch Support +

    Didn't find a game you were looking for? Write to us. Found a wrong game?
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What Our Clients Say

  • “It’s the biggest and strongest chess database out there” - GM Simon Williams, CEO and Founder of GCHESS
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Federations we supported Our Current and Previous Cooperations

ICCF

ICCF

International Correspondence Chess Federation - Global Read More
Czechia

Czechia

Czech Correspondence Chess Federation Read More
India

India

All India Correspondence Chess Federation (AICCF) Read More
U.K.

U.K.

British Federation for Correspondence Chess Read More
Romania

Romania

Şah prin Corespondenţă Read More
Argentina

Argentina

Liga Argentina de Ajedrez por Correspondencia Read More
Spain

Spain

Asociación Espaňola de Ajadrez por Correspondencia Read More
Portugal

Portugal

Associacao Portuguesa de Xadrez por Correspondencia Read More
Turkey

Turkey

TCCA Turkish Correspondence Chess Association Read More
USA

USA

International Correspondence Chess Federation USA Read More
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