Muy interesante! Estoy buscando un "opening que contra d4 para negro tienes ideas?
Colorado Gambit

Muy interesante! Estoy buscando un "opening que contra d4 para negro tienes ideas?
Una defensa contra 1.d4 que me gusta y es muy agresiva es el Gambito Benko dentro de la Defensa Benoni, la línea principal es 1.d4 Cf6 2.c4 c5 3.d5 b5
Puedes buscar su teoría, es fácil aprender sus conceptos y va muy bien para jugar a ganar.
Saludos!

A great opening and a figment of Myers genius. Black has a great game.
Either if I go with black or white, I love that sharp games when the f file is semi-open due to f2-f4 or f7-f5 and I have all the pieces with that fast development, it is gorgeous to see that positions

A great opening and a figment of Myers genius. Black has a great game.
Either if I go with black or white, I love that sharp games when the f file is semi-open due to f2-f4 or f7-f5 and I have all the pieces with that fast development, it is gorgeous to see that positions
You might then appreciate the Vienna gambit as white or the Schliemann variation as black to the Ruy Lopez (e4 e5 Nf3 Nc6 Bb5 f5!) If white plays 4) Nc3 (d3 is safer and more common) then black can play 4.. Nd4! (instead of fxe)- leads to very interesting positions !

The Colorado Counter Gambit is trash. You just play the opening moves as in the OP’s 2nd diagram and are much better with White.

@pfren Black has good chances.
Good chances for what? Winning chance only when white drop pieces.
Check the position, black is "3 turns " delay in development ( Qd7, e6, Bd6, O-O) which is generally almost hopeless.
I would like to post NM Bill Richards video on this, but I can't post links because my account is still new. I would like @coach-bill to get involved in this discussion.

I would like to post NM Bill Richards video on this, but I can't post links because my account is still new. I would like @coach-bill to get involved in this discussion.
Ok, if you are going to ask you boss for that position, please ask this position as well, which side is better.
It is basically the same as the previous position whereas black is "3 turns" behind development.

And of course lets not forget Henri Grobs' "anti-Colorado- attack" where 3-g4!? ...can lead to wild variations from the sublime to the ridiculous where black can usually win for sure..

This topic again?
I'm sure every chess player in Colorado wishes this were called by a different name.

2.. f5 is probably played too soon to be sound (hmm, that sounds like a quotable quote, "too soon to be sound"). Anyhow, Ive been looking into the Nimzovich defense to see if any lines might be worthwhile to adopt in games, so instead of 2..f5, I think it either has to be 2.. d6 or 2... Nf6 if white plays 2) Nf3
But when I look at 2..Nf6, I'm not sure if I like having the knight being attacked and then exchanged, doesnt seem like black has a better game: e4 Nc6 Nf3 Nf6 e5 Ng4 d4 d6 h3 Nh6 Bxh6.
Thus, maybe 2... d6 to prevent 3) e5 might yield a playable line and decent position for black, I'm still looking at it.
Well, in this post I will show you an opening that few people know about, it's called the Colorado Gambit. I will do this to help me to learn this opening by teaching it to other people, but if I can help someone, it will be very great too.
Before starting, I want to say that my main language is Spanish, so maybe (surely) there will be some mistakes in this post, sorry for that.
Perhaps some of you know about the Nimzowitsch Defense (NWD) (not the Nimzo-indian), it starts like that:
1.e4 Nc6
Here there are two main lines, the most used is 2.d4 taking the center and black can continue with d6, d5, e5 or even e6, transposing to other openings or lines of the NWD.
But there is another main line that some people use, 2.Nf3, and here starts our gambit, 2...f5
This move wants the following:
-taking the center
-developing the pieces faster
-semi-opening the f file
Here white can accept the gambit by 3.exf5 or decline it with 3.e5 or even 3.d3?!
If white accepts the gambit, we will do d5, the best that white can do is trying to get the iniciative (if not, it will be behind of black in development), this is the critical line:
This is the most dangerous line for both players, of course, if white don't play that (almost no one know this gambit, and it is hard for club players to see this line, and if they do, it will be very hard for they to get the inciative because here black knows what to do and white no), most likely the white will be in a worse position. Here there is a beautiful game of Kasparov (2484) against a german called Torben Schulze (2280):