That seems okay. Like most gambits it will bamboozle some people. But you need to consider what might happen if the gambit is declined (for example 7..., Nc6) and you definitely need to consider 7..., exf5; 8. Nd5, Qa5+. Both seem like interesting counters. For reference I am coming at this cold from nothing but native wit: I do not play the Open Sicilian with either colour.
I Created A New Gambit!
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4 days ago
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#3
The gambit is junk! Instead of advertising a move that is an error by Black, try playing Black's best moves, ...Qa5+ or ...Qa7, both of which -0.7 rather than +0.8 after the sensible Bg2 instead of the lunatic move, Nf5??.
I don't like this actually... I don't know how white will win 🫵🏻🫵🏻
6...b5 is not the main move. 6...Bb4 and 6...Nf6 are the main continuations and 6...Nc6 is a transposition to another popular line, the Taimanov with g3 . 6....b5 is a dubious sideline and there is no need to play a risky unsound Gambit in this line which is pretty good for white.
If you want to create a new Gambit you should make sure it's in mainline teritorry so you get it often.
Here Is The Gambit:
Opening Up the d5 square and h1-a8 diagonal if opponent takes.
An Example Continuation: