What's tactics like these called?

it's should be common used, but not ordinary to see it right away

I guess "winning the exchange"

@Gravija said in #3:
> I guess "winning the exchange"

A piece.

Not sure, maybe decoy & double attack, pinning plays a role.

@Gravija said in #3:
> I guess "winning the exchange"
with checks ( most important thing there)

I would could it Check Rumble xD

Intermediate move? Black doesn't recapture immediately.