Anyone ever heard or played any of these not well known variants?

Anyone ever heard or played any of these not well known variants?

Here are some interesting variants (Just to name a few) anyone could try:
Corner Chess:
(No checks) first to the corner wins (If you stalemate you opponent he wins!)

CAP Chess:
Capture every of your opponents pawns or checkmate(Stalemate equals win)

CAN Chess:
Capture all your opponents knights or checkmate(Stalemate equals win)

CAE Chess:
Capture all your opponents Elephants (Bishops) or checkmate to win(Stalemate equals win)

5 Check Chess:
Checkmate or check 5 times to win

Bunker Chess:
King can't ever move(Castling doesn't exist) - Checkmate to win

I hope you find these interesting!

Interesting. I like some of these variants.

「One can only hope」

MY MOST INTERESTING ONE: ONE CHECK ATOMIC

hehe

Interesting variants!!

Haven't heard of these, sounds fun!