Surprised no one has mentioned the Chicago Defense!
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fireflashghost wrote:
GodIike wrote:
I believe there's also an american defense somewhere. There's the boston defence in the Alekhine with 1.e4 Nf6 2.e5 Ng8
Unfortunately, it's the Brooklyn Variation of the Alekhine, not the Boston Variation.......
This has quickly turned from an opening repertoire evaluation to "How Many American-themed Variations Can We Find?"...........
To be fair, the OP was rather vague...I'd suggest looking for Canadian-themed variations, but... 
Also, according to wikipedia, 1 d4 f5 2 e4?! fe 3 Nd2?! is the "American Variation" of the Staunton...yeah...if I were you I'd rather attach my nationality to that Sicilian line 
ThrillerFan wrote:
Im_Your_Father wrote:
hi, I am new to chess :). There really is an opening named french? Isnt that a language? ;)
There are a bunch of openings named after nationalities:
French Defense - 1.e4 e6 2.d4 d5
Spanish Opening (a.k.a. Ruy Lopez) - 1.e4 e5 2.Nf3 Nc6 3.Bb5
Dutch Defense - 1.d4 f5
Russian Defense (a.k.a. Petroff's Defense) - 1.e4 e5 2.Nf3 Nf6
Scandinavian Defense (a.k.a. Center-Counter Defense) - 1.e4 d5
English Opening - 1.c4
Portuguese Opening - 1.e4 e5 2.Bb5
Czech Benoni - 1.d4 Nf6 2.c4 c5 3.d5 e5
Polish Opening (a.k.a. Sokolsky's Opening or The Orangutan) - 1.b4
German Variation (of the Polish Opening) - 1.b4 d5 2.Bb2 Qd6
Italian Game - 1.e4 e5 2.Nf3 Nc6 3.Bc4
Chinese Dragon - 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4 Bd7 10.O-O-O Rb8 (I think - might have a couple of moves switched - Don't play the Dragon with either color)
Mexican Defense (a.k.a. Two Knights Tango) - 1.d4 Nf6 2.c4 Nc6
You forgot the Austrian, how could you? 
ThrillerFan in 1c4 1..e5
2g3 2..Nc6
3Bg2 3..f5
4Nc3 4..Nf6
5d3
with the idea of e3 , Ne2 and d4 like the botvinik system
I'm from Texas, and there's this situation that keeps popping up in my games that I think could legitamately be reffered to as the Alamo Defense. It's where my king is nice and castled, but he has no pieces to support him so he just sits and waits to die. And just out of spite, refuses to resign.
Nov 19, 2014
0
#28
nikos452 wrote:
ThrillerFan in 1c4 1..e5
2g3 2..Nc6
3Bg2 3..f5
4Nc3 4..Nf6
5d3
with the idea of e3 , Ne2 and d4 like the botvinik system
White gets nothing here. I think Marin has you beat on analysis accuracy.
Nov 19, 2014
0
#29
rdecredico wrote:
Chicken_Monster wrote:
No opening for America or USA?
Cambridge Springs
Chicago Defense
Wilkes-Barre (Traxler)
Kentucky Opening (Jerome Gambit)
San Francisco Gambit
Fort Knox Variation (French Defense)
+ several more.
There are others:
The American Opening - 1.e4 e5 2.Ne2
Brooklyn Defense - 1.e4 Nf6 2.e5 Ng8
Colorado Defense - 1.e4 Nc6 2.Nf3 f5
Just to name a few more.
That isn't much of an expanded repertoire. What kind of lines do you play against certain openings.
I'll show you mine so you understand.
I play one e4
I play the classical against bf5 I play ng3 followed by h4
Againt against the line Nf6 I play Nxf6 and we play an interesting game.
Against the French I play the wing gambit with nf3 followed by e5 if they play c5 I play b4.
Against the Sicilain I play the Morra Gambit, they they decline we go into a c3 Sicilian.
Against e5 I play Bc4 intending either the Evan's or Max Lange against Nf6. I play normal deveopling moves against the Philidors.
Against Alekhine's I play Nc3 and hope for e5 going into a Veinna. If they play d5 I take it and just play a game.
Against the Pirc I play the Austrian Attack with an early e5 before Nf3.
With Black agasint d4 I play the Modern Benoni aiming at a quick a6/b5 if they play a4 I play bg4 aiming to exchange of the light squared bishop for the knight on f3.
Against e4 I play e5 meeting bc4 with the two knights and bb5 going for a Marshall gambit. Against King's Gambit I play d5 when they take I play c6 (Nimzo Countergambit).
Against c4 I play a reveresed Dragon.
Against f4 I play e5 and if fxe5 I play d6.
There's also a Manhattan Variation in the Ragozin IIRC