tactical gain - nimzowitsh defense
♟️ Chess Word Chain Challenge: Keep the Game Rolling! ♟️

nimzowitsh defense-echo(e-file name)
Ossip Bernstein (name of a chess player, found his interesting story while researching for one of my blogs like 1.5 years back)

Trap (When a piece is trapped)
nah the word Ossip Bernstein is ending with N so U need to come up with word starting with N

Sorry, I opened it up before the comment loaded.
Notation
Norway Chess (an ongoing tournament)
en passant→Tactical gain