About Opening Master

Playing vs. Learning

About Opening Master

OpeningMaster.com is a privately-owned enterprise started officially in 2004 but has roots in collecting the games to the 1990s. The authors have been involved in chess for more than 30 years and are internationally recognized players. The creator of the project is Alexander Horvath, Senior International Master, ICCF (ELO 2497, 1. GM Norm) member of the Slovak National Team (Gold Medal ICCF European Team Championship). Other main contributors to OM databases are Jan Helbich, SIM, Peter Pasko, SIM and Slávka Hulecová, WGM, Chess database guru Tomáš Hecht, Abhishek Yadav, Head Coach Unstoppable Chess Academy.

Opening Master is official chess databases partner of FIDE International Chess Federation and ICCF - International Correspondence Chess Federation and many national chess federations and clubs.

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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Best chess database on the market!

“Opening Master is an exceptional chess database that stands out as a go-to choice for developers, chess apps, chess portals, and chess projects which need quality data. Its extensive collection of over-the-board classical chess games since 2004 proves to be valuable source for IMs and GMs.”

ICCF Official Partner

FIDE official partner

ChessKid Partner

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