Modern Defense, Hyperaccelerated Dragon

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Avatar of muzhen

This is one of my favourite openings, it tends to result in a very highly tactical and sharp position.

Possible continuations:

3. d4 (Best move)

3. c3 (another top engine move)

3. c4 (one of the top engine moves, but very rare):

Note that in all of the above continuations, Black does not fianchetto the bishop immediately.

There are also some other cases where 2. ...c5 is played; For example:

Avatar of muzhen

Note: There is a very classic opening trap, which may arise like this:

 

Avatar of tygxc

Here is an example game
https://www.chessgames.com/perl/chessgame?gid=1104317