this website you can participate in regular trials, tournaments, <a href=https://levski-sport.bg/2017/02/18/%d0%bb%d0%b5%d0%b2%d1%81%d0%ba%d0%b8-%d1%81%d0%bf%d0%be%d1%80%d1%82-%d0%b7%d0%b0-%d0%b2%d1%81%d0%b8%d1%87%d0%ba%d0%b8-%d0%bf%d1%80%d0%b0%d0%b7%d0%bd%d1%83%d0%b2%d0%b0-%d1%81%d1%8a%d1%81-166-%d1%81/>https://levski-sport.bg/2017/02/18/%d0%bb%d0%b5%d0%b2%d1%81%d0%ba%d0%b8-%d1%81%d0%bf%d0%be%d1%80%d1%82-%d0%b7%d0%b0-%d0%b2%d1%81%d0%b8%d1%87%d0%ba%d0%b8-%d0%bf%d1%80%d0%b0%d0%b7%d0%bd%d1%83%d0%b2%d0%b0-%d1%81%d1%8a%d1%81-166-%d1%81/</a> and intellectual competitions, which constantly updated.