26:13

THE HIPPO DEFENSE IS GOLD!!!!!!!!!!!!!!!!!!!!!!!!!

25:51

Hippo Defense Gets Me NATIONAL MASTER TITLE!

13:52

The Hippopotamus "Defense" is more Aggressive than Most Think!

21:58

DEMOLISHING The Hippo in Just a Few Moves!!

9:45

Attacking Middlegame Strategy in The London System Opening

34:34

I broke 2400 with the Hippo.

14:16

Hippopotamus Defense (Setup, Ideas, and Examples) - Chess Openings

16:26

So Many Chess Players Are WRONG About The Hippo!!