why do I hear boss music?

This hot garbage is Original Content (you've probably found it on Reddit or reposted here on Youtube by other users), and somehow it went viral.
Chess world champion Anatoly Karpov wipes Misha Osipov from existence.
Full match: https://youtu.be/HhrvwHrceRg
Song: Dark Souls III Soundtrack OST - Vordt of the Boreal Valley

Видео why do I hear boss music? канала Daniyal Shahrokhian