[citation needed] He has successfully participated in a number of online championships, repeatedly ranking among the top three in tournaments held by ChessBase[28] / Playchess Germany.

[citation needed] In 2003, Titschko was invited by the World Chess Boxing Organisation (WCBO) to participate in their tournaments.

[35][36] In October 2005, he won the first European Chess Boxing Championship[37] by defeating Andreas Schneider (Germany) in the final event.

[16][38] The event was covered by a number of international media, such as Eurosport,[39] Sports Illustrated,[40][41] CNN,[42][43][44] the Los Angeles Times,[45] Die WELT,[46] ChessBase,[47] and others.

[52][53] from 2002 to 2006, at the Technical University of Varna, Bulgaria (TU-Varna), he earned a master's degree in ergonomics and industrial design.

[54][55] He successfully defended his doctoral thesis: "Creating a design of osseointegrated dental implants" and received a PhD in 2012.

[61] In 2020, as a coordinator[62] for TU-Varna,[63] with his international colleagues from nine partner countries, he participated in the creation of the Ergonomics and Human Factors Regional Educational CEEPUS[64] Network.

[84] The world partnership: USA (General Coordinator), Bulgaria, Estonia, Canada, United Arab Emirates, Cameroon and the Philippines.