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The biggest chess database in the world

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Which chess database

Is it for Me?

Yes, it is. We provide monthly updates to your favorite chess databases. Whether you are a casual chess player, intermediate chess student, or chess grandmasters who use our chess databases, whether you are a correspondence chess player or over-the-board classic, we have the strongest chess database for you. Download latest OM OTB with 10.2 million human chess games or OM CORR with 2.2 million games. Not enough OM GOLEM with 31 millions should be enough.

Our premium chess databases

Our in-house team of chess data analysts, technical experts, designers and chess trainers take the complexity out of the process: allowing you to focus on giving yourself time to play and learn chess with the best chess tools you deserve.
OM GOLEM

OM GOLEM

Chess Database with 31.4 million human chess games. The biggest ever collection of human chess games since 1800
OM CORR

OM CORR

Correspondence chess database with 2.2 million human chess games. The biggest collection of ICCF or Corr chess players.
OM OTB

OM OTB

Over-the-board database with 10.2 million human chess games. The largest FIDE/OTB chess database collection.
OM PORTAL

OM PORTAL

The OM PORTAL is the biggest online chess database taken from chess.com or lichess.org with ELO higher than 2000.
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"Great chess databases! Greetings from Portland, Oregon, USA and the Portland Chess Club. Jonathan Ray Fortune (Correspondence Chess Master (CM), United States Chess Federation)"
“Thanks Opening Master for being such a useful tool. I use it with Chess Assistant and it works GREAT!! - Don Wade, Dunlap, Tennessee”
“In the newest GOLEM I recognize the improvement of the player structure. Now there is only one person with name Zukertort, Johannes. Very nice. Great job! Thanks! - Frank Rahde, Germany”
“It’s the biggest and strongest chess database out there” - GM Simon Williams, CEO and Founder of GCHESS”
“Opening Master is a powerful chess database designed and inspired by recent chess trends, blending needs from FIDE and ICCF players, with data analyzed and collected every month, to create an alluring experience for our chess players, while maintaining a professional and functional look - founder Alexander Horvath
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Unstoppable Chess Academy

We offer comprehensive training programs, instructional videos, and other resources that can help you learn the fundamentals of the chess databases

Unlock The Intelligence in Your Chess

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