awesome chess opening for black against 1.d4

I recently learned this opening from a youtube video by GJ_chess and thought it was awesome and deserved its own discussion. Here is what the opening looks like. Note that black can play these set of moves almost no matter what white does as long as white plays d4

So i was just wondering what anyones comments or concerns about this opening are. Hope to hear from you soon.

Looks like black got thrashed.

it is not a KID with a tempo down. After 3.. e5 black has most certainly counterplay on the dark squares. White is indeed better due to his space advantage but this advantage is minimal. Qc7 however seems useless. IMHO it is better to play 1...d6 with some kind of neo philidor setup or trying to get an old indian structure.

If you like the look, you may want to look up the old indian defense.  A bit passive but solid.

This is where i got the opening from. He does much more justice explaining it than i do.

https://www.youtube.com/watch?v=wdOb5gt4vIQ

I suggest playing an old indian, which will be the same except you don't waste time with c6 and Qc7 in the beginning, and you wont necessarily play Bg4 (but you can).  Of course after you've done some development you can spend time on moves like c6 and Qc7, and as you get better you'll get a sense for when you want to play those moves and when you'd rather do something else.  The only different I suppose is a good player will punish that opening as shown in the video... if you do well with it and enjoy it I guess that point is acedemic.

If you really want to play the same moves against anything then better would be the so called triangle defense or simply a queens indian defense (or king's indian defense).  You can even play them against 1.e4 when they're called the owns and pirc respectively.

Would you guys give the names of the openings, if possible, please?

you couldn't be more mistaken. In the exchange variation there isn't any play on the dark squares, that's right. However what is white actually playing? Nf3 runs into f6 with a fantastic game for black while 6.Nc3 after ...Be6 7. Be3 Bb4 white's position seems to lack some coherant plan. This together with the fact that black's plan is easy to grasp makes me believe that black is already dead equal. Also if we check the chessgames.com database, black has an astounding win rate of 60% after 3.dxe5, altough databases do not say everything, this is obviously a bad result for white.

You should also note that c4 is a mistake and that e4 is more precise as you can transpose to a philidor structure which is shown to be better for white.

In response to Post #3 by Fiveofswords, 1...c6 is NOT Dubious.  2...d6 probably is, but there is no move that White can make to take advantage of 1...c6.  The caveat is that Black must be willing to play the Caro-Kann along with the Slav.  If Black normally plays the Caro-Kann against 1.e4 and the Slav against 1.d4, there is nothing wrong with 1...c6.

The same can be said for 1...e6, and there, if you are willing to play a French, this might be better than 1...Nf6 or 1...d5 as you avoid the Tromposky (1...Nf6 2.Bg5) or Hodgson (1...d5 2.Bg5) Attack, along with the 2.Bg5 Dutch for those that normally play an ...e6 Dutch (Classical, Stonewall, etc)

That said, the line that the OP gave is bogus.  I wouldn't play 4.Nf3 in a million years.  4.f4!  Black's in a HORRIBLE version of a Pirc (if ...g6 is played) or Philidor (if ...e5 is played instead).

Indeed the plan has to be develop pieces but to where isn't clear at all. After 6.Nc3 Be6 his light squared bishop is just bad. The place of the dark-squared bishop is also not sure, every move has it disadvantage: Bb2 is somewhat strange when looking at the pawn chain e5-f6-g7, trading the bishop helps black Bd2 is passive while Be3 leaves the N on c3 vulnerable to Bb4. Playing Nf3 then gives the knight very little prospects unless one wants to spend lots of time. Nge2 then also doesn't help white. Black's plan however is clear: play f6, a5,Kc7, Nd7-c5, Bb4 or Be7 and Nh6-f7-g5, not necessarily in that order of course. His rooks are connected and his position is extremely solid and active while white is the more passive side. 

Thank you for your comments. Im definitely going to learn the KID now.