This is an opening I thought of on Pi Day. It's called the Pi Opening. You can check the move list for variations.

Although white is somewhat undeveloped, black's pieces are on the back rank, and black will have a lot of trouble developing his kingside rook.

Why not 5...Kf6? (? as for question mark) In the Latvian Gambit, 3...Bc5 variation, after the sac on f2, same tactical theme, the King would play Kf3 (according to current theory the best move) with a good game unless he falls for the maaaaaaany pitfalls just waiting to be made.

pinkerton wrote:

Why not 5...Kf6? (? as for question mark) In the Latvian Gambit, 3...Bc5 variation, after the sac on f2, same tactical theme, the King would play Kf3 (according to current theory the best move) with a good game unless he falls for the maaaaaaany pitfalls just waiting to be made.

if kf6, the next move of white is Qf3.. the king is safer in g7 square.. don't let your king be exposed..

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Being exposed doesn't mean anything if White isn't able to follow up. Of course, Black should not try to keep the piece but instead give it back at an appropriate moment after developing his pieces which should aim at getting tempo moves on the rude queen. Personally, the King at _g8_ is very ugly. With decent play, Black should be having a comfortable game.

Yes, I agree that g6 is better than Kg8. But I think that the weakened kingside and uncastled king is good compensation for white's lack of development.

Kf6 you say?

interesting idea (as I play the Pirc as black I decided to look it up).  Here's four games which show it, only once does black play Nxe4 and loses.  The other three use Nbd7. Black should not take the pawn and the game should transpose to more normal lines.  Have you had much chance to play it here yet?

http://www.chessgames.com/perl/explorer?node=2453428&move=3.5&moves=e4.d6.d4.Nf6.Bc4&nodes=21720.152636.152637.218034.2453428

Nobody plays the Pirc, so no, I haven't. I only thought of it yesterday. I'm going to create some seeks with the Pirc Defence.

BasicLvrCH8r wrote: Nobody plays the Pirc, so no, I haven't. I only thought of it yesterday. I'm going to create some seeks with the Pirc Defence.

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 I have had to face the Pirc a fair few times on playchess.com. Usually stronger players play it aswell as its close relation the Modern Gurdenidse. Btw this line is kinda like the 2.Bc4 line against Alekhines defense.

This is not the Pi Opening.  It is the Y-20 Frankinstein Dracula Pirc.

KillaBeez wrote: This is not the Pi Opening.  It is the Y-20 Frankinstein Dracula Pirc.

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 Is that a joke?

  another variation of kf6

Graw81 wrote: KillaBeez wrote: This is not the Pi Opening.  It is the Y-20 Frankinstein Dracula Pirc.

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 Is that a joke?

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 It is, because the openings only go to E99.

Graw81 wrote: BasicLvrCH8r wrote: Nobody plays the Pirc, so no, I haven't. I only thought of it yesterday. I'm going to create some seeks with the Pirc Defence.

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 I have had to face the Pirc a fair few times on playchess.com. Usually stronger players play it aswell as its close relation the Modern Gurdenidse. Btw this line is kinda like the 2.Bc4 line against Alekhines defense.

 

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 I actually thought of that while I was trying to think of a pi opening, but it was already taken.

BasicLvrCH8r wrote: Kf6 you say?

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Kf6 is way much better and logical. After the check on Qh4, simply ...Kf7. At the ugly square g8, the King disturbs the natural development of the h8 Rook. The point is, in order to let the Rook into play, should the Black King be on g8, would disarrange the whole King side and White squares surrounding the King are also very weak. White after picking up the knight will only succeed in making fancy moves with nothing to show for. Black has a solid position and have no structural weaknesses.

I did some research on the Frankenstein Dracula Pirc which is characterised by the interesting move 4.Qh4 threatening mate. At the cost of the pawn White has serious initiative and Black has to be on his toes; from playing through a couple of correspondence games I noted many fine tactical motives and traps just ready to land a knockout blow to Black. Some say it loses a pawn but it is certainly playable considering how lively the game becomes. I had real joy going through the games.

 Edit: BasicLvrCH8r, I'm not discrediting your opening and I really admire your efforts looking for some innovations. I just have a problem with ...Kg8. I'm the type of person who loves to investigate any move I feel could have been better. 

I think a good way really to test the opening would be to play it. Pinkerton, are you up for it?

I'd prefer playing Blitz but since you seem like a nice person, sure.

This opening is B07 - Pirc defense and I found 9 games on chess assistant in this line where black takes the p/e4 which scores only 50% but 3 moves for black all score over 60% against this line so its not good for white , the moves are : 3...c6,g6,nbd7.

Even after knowing other candidate moves which score better than ...Nxe4, I'm curious too, how Black would defend after taking the pawn. In Blitz, it's a bit faster since if I don't think a plan worked, another game could be played after 6 minutes or so testing another plan. Defending is not one of my strengths but Lasker recommended students playing opening moves which theory deems inferior to develop his positional judgement.  

This opening is terrible!  The 5. g6 variation is perfectly fine.  Black has halfway completed his development and White's Queen will be attacked for years to come.  White has also ceded the Bishop pair.  Even your move list variations are wrong.  After Nc3+, what is stopping Black from playing Nxc3.  This opening is busted for all I care.