OM CORR 06 2015

Opening Master is proud to publish new release of its OM Correspondence chess database with 1,573,419 games. This month we focused on quality increase.

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OM Power 2015

Welcome to the most powerful (and free) chess database - OM POWER 2015. It is offered as freebie from us. All chess friends can download it for free and test it.

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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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