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You mean there are other tries other than the alchemy?? er wow.  So what are they? Teyko can you please answer 8... Bg6 (rather than 8... Bxc2) as well? I think as long as Black does not get carried away with grabbing pawns he is SAFELY BETTER. 

The fact that you need reams and reams of analysis just to prove your gambit (this is only the ziegler!!) maybe shows that compensation isn't adequate? most sound opening gambits have compensation that are obvious rather quickly no?

By the way check out this variation after my innovation 

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 c6 6. Bc4 Bf5 7. O-O e6 8.
Ng5 Bxc2 9. Nxf7 Kxf7 10. Qxc2 Qxd4+ 11. Be3 Qxe3+ 12. Kh1 Bd6 13. Ne4! (the move which I found) Be5 14.
Rae1 Qh6 15. g4 b5 16. g5 Qxh2+ 17. Qxh2 Bxh2 18. gxf6 +=

I checked this variation with fritz. I think I'll give you food for thought 

Note that if 15... Nbd7 16. g5 Qh5 17. Nxf6 gxf6 18. Rxe5 Nxe5 19. Qf5
Kg8 20. Bxe6+ Nf7 21. Qxf6 Rf8 22. Qe7 h6 23. Bxf7+ Rxf7 24. Qe8+ Kg7 25. Qe5+ =

I need to check the 17.gxf6 variation but so far white has at least the draw. Further analysis with 17.gxf6 will follow up, if I find a draw or a win

P.S I am not a BDG maniac, not even a fan. But I always liked refuting the refutations  

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A very brave suggestion, I'm not really sure whether this has any merit, but Shredder does assess 12.Re1 as equal (whatever value engine evaluations have in these positions). This position does seem to be quite a mess, but I guess one should really consider what happens if black does take the piece.

Tracke,
What is your problem? If you have such an emotional response to the Blackmar Diemar Gambit, then you should have no problem beating it everytime you encounter it. 

This is exactly the attitude I am talking about in analyzing these positions. Don't be a prick about it. 

I will consider your line and get the analysis back to you.

MnB, I wasn't talking about 1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Bc4 Nf6 5.f3 Bf5, I meant 1.e4 d5 2.d4 dxe4 3.Nc3 Nf6 4.f3 Bf5, I'd rather play without the move c6. If you still mean to play seomthing like 5.g4 Bg6 6.g5 Nd5, then 7.fxe4 Nxc3 8.bxc3 e5 and this is a lovely position for black. So white probably has to play something like 7.Nxe4 Nc6 and what now for white? These positions actually seem to be much easier to play as black than the ones below, here black has really active play himself.

Now as to the other lines we were discussing:

A1) After 1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Bc4 Nf6 5.f3 exf3 6.Nxf3 Bf5 7.o-o e6 8.Ng5 Bg6 9.Ne2 c5 10.c3 Nc6 11.Nf4 cxd4 12.Nfxe6 fxe6 13.Nxe6 Qb6 14.Re1 Kd7 15.cxd4 Re8 16.Kh1 Qb4 17.Qe2 Bh5 18.Qf1 b5 19.Bxb5 Rxe6 20.Rxe6 Kxe6 21.Bxc6 Bd6 22.Bg5, why do you think black cannot simply play 22...Qxd4? Any particular reason why this is "not so clear"?

A2) 1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Bc4 Nf6 5.f3 exf3 6.Nxf3 Bf5 7.o-o e6 8.Ng5 Bg6 9.Ne2 Bd6 10.Nf4 Bxf4 11.Bxf4 Nd5 12.Bd2 o-o 13.Qe2 Here I really think black should not play Bxc2. He already has an extra pawn, so why take excessive risks? Okay, one should really avoid 13...Nb6 14.Nxe6!, but frankly speaking I don't really see that white has much compensation for the pawn, all he really has is the f-file and a vague space advantage on the kingside. If white had this position "for free" then he would be slightly better, but I don't really believe it is really worth a pawn. 
A2a) Despite my doubts about playing something as risky looking as 13...Bxc2, that does seem to be more or less okay for black 14.Nxe6 fxe6 15.Bg5!? does seem to be okay for black 15...Nf6 16. Bxe6+ Kh8 17. Qxc2 Qxd4+ 18. Kh1 Nbd7 19. Rad1 Qe4 20.Qxe4 Nxe4 21. Be3 Ndf6 and all black did was concede the pair of bishops. Maybe this position is not all that bad for white, but black has an extra pawn and no weaknesses.
A2b) Simply developing with 13...Nd7 would strike me as a really safe option and makes a lot of sense. Why should I open the position for white as in A2a?

B1) 1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Bc4 Nf6 5.f3 exf3 6.Nxf3 Bf5 7.o-o e6 8.Ng5 Bxc2 10.Bxe6 Be7 11.Bf5 Bxf5 12.Rxf5 h6 13.Nge4 o-o 14.Be3 Nbd7 15.Raf1 Looking at this again, it does seem to me like white has quite a bit of pressure on the black kingside and it is difficult to ease to pressure by swapping off pieces. On the other hand black does have an extra pawn for accepting this position. Maybe there are some tactical ideas for white somewhere, but I didn't spot anything if black plays e.g. 15...Nxe4 16.Nxe4 Nf6 17.Re5 Kh8 and black threatens to play Nxe4 further easing the pressure on his position.

B2) 1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Bc4 Nf6 5.f3 exf3 6.Nxf3 Bf5 7.o-o e6 8.Ng5 Bxc2 10.Bxe6 Be7 11.Bf5 Bxf5 12.Rxf5 o-o 13.Be3 Nbd7 14.Raf1 Here black has the option to play 14...Bd6, but admittedly white will be able to draw the ending after 15.Qf3 Re8 16.Nge4 Nxe4 17.Nxe4 Bxh2+ 18.Kxh2 Qh4+ 19.Kg1 Qxe4 20.Rxf7 Qxf3 21.R1xf3. Somehow I feel white doesn't really have entirely enough for his pawn on move 14, but I admit I don't really see how to safely convert this for black. Maybe 14...Rc8 with the idea of starting to play on the queenside with c6-c5. Then white might play 15.Nge4 Nxe4 16.Nxe4 Nf6 17.Qf3 Nxe4 18.Qxe4 Qd7 19.d5 c5 20.Rh5 g6 and black seems to have survived *and* kept the pawn, but again as in B1 white might well have improvements somewhere, as he *might* be able to do something with his rather active pieces.

I have to admit that white does have some really active play in B1 and B2 - whether it's enough I don't know, but at the moment I haven't seen anything that really challenges black, yet.. Considering those somewhat dangerous looking positions white achieves B1 and B2 I feel that B3 (or C as I called it) does seem safer. Does anyone have suggestions as to how white should play there?

Hello,
   it seems that some people start to not believe the Alchemy line. Well, one has to be sceptical. I´m also sceptical and when I´m playing correspondce games I want to play true, correct lines. Therefore we have to find out if the Alchemy line is viable and o.k. I will have a look on your proposals and hope I will give satisfying evidence that lines are correct. See ya soon.
7v

<In general I have the impression that for the analysis on that page a lot of thought went into the moves for white and very little thought into the moves for black>
<That web page is mind boggling>
Not to mention all those colours...
I agree fully. Still the idea of saccing on e6 is fun. And guys, you can expect an answer of Rajmunde Emanuel here within a few days!

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I did have a look at it and went over one of the lines I thought was reasonably logical for black 
1. e4 d5 2. d4 dxe4 3. Nc3 Nf6 4. f3 c6 5.Bc4 exf3 6. Nxf3 Bf5 7. O-O e6 8. Ng5 Bg6 9. Ne2 c5 10. c3 Nc6 11. Nf4 cxd4 12.Nfxe6 fxe6 13. Nxe6 Qb6 
Okay, so white has managed to get the intended sac of e6, but that's supposed to be sound? I rather suspect it's not. 
14. Re1 Kd7 15. Kh1 Re8 
The last two moves by black look quite logical to me, so I had a look at that line - I'd suspect there are other reasonable tries, too. 
16. cxd4 Qb4
Now this move by black looks a bit dubios, but my computer liked it, so I'll go with it for the time being. 
17. Qe2 Bh5 18.Qf1 b5
Here the analysis on the webpage goes on with 18...Nxd4 which premature and in fact my computer dismisses it after a brief thought. 18...b5 disrupting white's pieces seems better, particularly seeing that we'll get to swap off some of them soon and then black is even better developed than white.
19. Bxb5 Rxe6, while after 19.Bb3 Nxd4 does now work.
20.Rxe6 Kxe6 21.Bxc6
and in this position I doubt that white has enough compensation for the piece. Okay, we have to refrain from something as greedy as 21...Qxd4, but 21...Bd6 should be fine.

In general I have the impression that for the analysis on that page a lot of thought went into the moves for white and very little thought into the moves for black (i.e. they often seem to be what the computer recommends in analysis mode after 5 seconds).