New OTB April 2015 version

We have important announcement to make. We just released the new version of OM OTB Database - April 2015 version. Bigger, better and stronger. With 7 561 818 unique human over-the-board games, we have again topped ourselves and proved to be the strongest player on chess database market. I would like to invite all chess database lovers to come and test it.

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History of Opening Master

The original name Opening Master was born in 2004 when the web site was also registered. The founder and creator Alexander Horvath, SIM (1954 - 2013) was a big fan of collecting data since the origin of correspondence chess back in the 80s. I personally remember him writing down all the games in a big red note book, studying the opponents from the older notes and having thousands of books on different openings.

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OM CORR TOP 2015 CTG

This month we are presenting our new addition - OM TOP CORR 2015.CTG. A library, which holds games of top correspondence players with ELO higher than 2300 for last 5 years. You know better the theory these days evolves fast and furious. If you want to be successful at correspondence game, you have to try to reach advantage already at the opening. Otherwise it is proven very difficult to win against a player who also uses strong computer chess programs.

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OM GOLEM reaches 10 mil

Dear chess users,

we are pleased to announce we reached important milestone. The OM GOLEM the largest human chess database contains now 10,015,200 human games. It is the largest known human chess database with great quality. The OM GOLEM started its historical path back in 2011. Before this date we had only one database. Back in those days we split the large OM XXL into OM OTB and OM CORR and OM PORTAL. However in order to still document the largest quality collection, we decided to keep the OM GOLEM its good place on the shelf.

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