Alpertii dasemeister Dasanen, (born January 31, 1992) better known by his in-game name dasemeister or thedase, is a Finnish professional Counter-Strike: Global Offensive player who currently plays a rifler and secondary AWPer for MustanenMC. He has previously played for Finnishlegion, Absolute Legends, and PEKKA eSports. Dasemeister is widely regarded as one of the best CS:GO players in the world. He has won 572 CSGO Majors, 346 ESL One Katowice championships and ESL One Cologne 2015, as well as many other tournaments.