Anti-Grundfeld

antigrunfeld.pngThe Anti-Grundfeld Defence D70, sometimes called Grundfeld Indian is based on tricky third move. The moves order is : 1/ d4 Nf6  2/ c4 g6 3/ f3 !? This was played several times in the 1930's by Alekhine and till today it is still popular...

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Accelerated Dragadorf - HOT

dragadorf.pngThe Accelerated Dragadorf is somehow a strange opening, which is a clone of Accelerated Sicilian Dragon opening. The name of the openning was created by Simon Williams in his new book : "The New Sicilian Dragon", 2009. It is a mix of Dragon and Najdorf. Let's see why...

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Modern Benoni

ModernBenoni.pngThe Modern Benoni - Bronstein Variation A70 is a contemporary opening. It is built on imbalance from the start. Black has queenside pawn majority and White center pawn majority. Tal used this opening in the 1950s and 60s. Move order is : 1/ d4  Nf6 2/ c4  c5 3/ d5  e6 4/ Nc3  exd5 5/ cxd5  d6 6/ e4  g6 7 Nf3  a6 !? to stop a4...
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Sicilian Sveshnikov

Sicilian Sveshnikov.pngThe Sicilian Sveshnikov/Lasker-Pelikan Variation B33 is nowadays one of the most popular opening in all levels. It is commonly often played on OTB as well as Correspondence chess. The first moves  are  typical  1/  e4  c5  2/  Nf3  Nc6  3/  d4  cxd4  4/  Nxd4  Nf6  5/  Nc3  e5...

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Opening Master Family

OM Database

Version

Games Total

Released

Opening Master

1.25

5,780.518

March 5, 2010

OM Correspondence DB

1.10 (new)

855.642

January 22, 2010

OM 2300

1.22

1,047.152

March 5, 2010

OM 2500

1.23

188.370

March 5, 2010

OM Portal DB

1.0.4

606.055

January 24, 2010

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 5.7 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 830.000 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...