  Esports gaming is an area in which videogame players need to cooperate and
compete with each other, influencing their cognitive load, processing, stress,
and social skills. Here it is unknown to which extent competitive videogame
play using a desktop setting can affect the physiological responses of players'
autonomic nervous system. For such, we propose a study where we have measured
distinct electrodermal and cardiac activity metrics over competitive players
during several League of Legends gameplay sessions in a Esports stadium. We
mainly found that game performance (whether winning or losing the game)
significantly affects both electrodermal and cardiac activity, where players
who lost the game showed higher stress-related physiological responses, as
compared to winning players. We also found that important specific in-game
events such as "Killing", "Dying" or "Destroying Turret" significantly
increased both electrodermal and cardiac activity over players more than other
less-relevant events such as "Placing Wards" or "Destroying Turret Plates".
Finally, by analyzing activity over player roles we found different trends of
activity on these measurements, this could foster the exploration on human
physiology with a higher set of participants in future Esports studies.
