petrov's skewer opening

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Sussyguy4890
I’m on mobile
Sussyguy4890
Grob gambit with bg2 is called that because it transposes into the Grob gambit
maxwell4114

but if the opponent doesn't allow for the Grob gambit, then it's still called "Grob gambit with 2. Bg2," and no material has been sacrificed

Sussyguy4890
It is still the Grob gambit with bg2 but if the opponent doesn’t play d5 then it’s no longer the opening
maxwell4114

if the opponent plays something like this

Sussyguy4890
Uh you are still gambitting a pawn in that line
MaestroDelAjedrez2025

I've never seen this opening before

maxwell4114
Sussyguy4890 wrote:
Uh you are still gambitting a pawn in that line

not always, just look at this line

maxwell4114

in this line, you are not losing any material, and it's still considered a "gambit"

Sussyguy4890
Uh that is not part of the opening name the idea is for you to play d5 if not then it’s not the opening look up the definition of gambit
maxwell4114

"a chess opening in which a player risks one or more pawns or a minor piece to gain an advantage in position" okay, I'll admit, I was wrong about the definition, but in the center gambit, you are sacrificing a pawn in order to gain an advantage

Sussyguy4890
I know but much of the openings you showed that you called gambit needs to be renamed
maxwell4114

you mean the double urusov and copycat?

maxwell4114

The double urusov I guess we could rename to "petrov's defense: urusov, mirror variation," but the copycat IS a gambit

Sussyguy4890
What do you sacrifice
maxwell4114

you sacrifice a pawn, their best move is to take a different pawn, but no matter what you sac a pawn

Sussyguy4890
Is it a gambit if they take back
Sussyguy4890
The same move
maxwell4114

yes, that's part of the gambit

Sussyguy4890
That is not the correct continuation and if the whole line is them not taking the gambit is that a gambit