Sicilian Anti-Sozin

Sicilian Anti-Sozin.pngThe Sicilian Defence has many mainstream variations. One of  them is  Sicilian : Sozin - Velimirovic Attack, but all depends what Black plays after 6th move. Sozin didn't play this move first in order...

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Budapest Gambit - NEW!

Budapest Gambit.pngThe Budapest Gambit also sometimes called Budapest Defence A51 is a courageous gambit. In the past, it was a favorite of Tartakower and Réti. The idea is to disconcentrate the opponent, who does not know what happened after some moves. It is a provocation simply to say...

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Sicilian Closed Variation - NEW!

Sicilian Closed.pngThe Sicilian Defence, Closed variation B25 is played by White when players do not want to memorize hundred of variations of Najdorf, Sozin-Velimirovic, Scheveningen and other theoretically well known variations of Sicilian Defence. It is played with good feeling for positions...

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King's Indian Averbakh Variation

king indian.pngThe King' Indian Defence is old and well known defence. GM Tartakower humorously named it Indian when he read in journal about game of two Brahmans whose game started with 1/ d4 Nf6. Word King's refers that Black open fianchetto on the King's side.The line 1/ d4 Nf6  2/ c4 g6  3/ Nc3  Bg7  4/ e4  d6  5/ Be2 0-0  6/ Bg5 was succcessfuly used by Averbakh against Panno...

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Opening Master Family

OM Database

Version

Games Total

Released

Opening Master

1.16 (new)

5,604.608

June 2, 2009

OM Correspondence DB

1.0.7

817.565

May 13, 2009

OM 2300

1.14

1,009.560

June 2, 2009

OM 2500

1.13

179.242

June 2, 2009

OM Portal DB

1.0.3

548.055

November 24, 2008

OM FIDE 100

1.0.1

119.763

February 17, 2009


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Opening Master 1.0

Opening Master 1.0.x

The exciting new Opening Master chess database features a unique chess games collection with 5.5 millions of games, making it one of the largest quality chess databases on planet Earth. Experience the power and flexibility of OM 1.0.x database to create the ultimate chess winning game.

Opening Master database runs under the world famous chess database software - The ChessBase, thus providing you with a powerful way to display and analyze your content. The OM 1.0.x DB has several smaller parts which can be also found in subtle trees, Portal Database or the best tool for ICCF players - the Correspondence Chess DB, and so much more...

OM CORR.CHESS DB

OM CorrChess DB

The OM Correspondence Chess database features an incredible collection of all correspondence chess games ever played since 1900 (approx 800.000 games) providing you with the ultimate corr chess experience. It has only games among ICCF players de-duplicated for better quality.

All you need to do is download, plug-in into the ChessBase software and see all games which were ever played between correspondence chess players. This DB also includes the world ICCF 20 tournament finals games which is also used separately.

OM ELO DB

OM ELO DB

Opening Master Chess Database utilises the power of the largest collection of chess games known (currently  5.5 millions) played by humans without any duplicates which allows to break down into various powerfull smaller chess databases.

With a special unique filter settng such as the OM 2500 database or OM ELO higher than 2300 players can use different database of different purposes . The FIDE top 100 players DB is also included in the family. All unique databases include special TREE for your fast analysis. You can find out more information about Opening Master family on our website, located here.

OM FREE SAMPLES DB

OM Free Samples

The OM Free Samples Chess Databases are for you free of charge. Currently you may experiment with selected 10 players from the TOP 100  FIDE list. All chess databases are sorted by names. All having also the trees included for analysis. Not enough? Why don't you download the Chess Portal Database with ulitimate collection of all Portal chess games. Download it, test it and come for more great collections... Download now...