first of gambits

A = Albin counter gambit 

B = Benko Gambit 

C = Cochcrane gambit 

D = Danish Gambit

 E = Elephant gambit  

F = Fred Gambit

G = Goering gambit 

H ..... how would you continue

Hungarian Defense.  Looks like smooth sailing til we get to X.

Inverted Hungarian

Jaenisch Gambit

King's Gambit

Max Lange Attack

Neo-Grunfeld

Old Indian

Petrov

Queen's Indian

Richter-Rauzer

Samish Indian

Tatakatower 

Urusov

Vienna

Ware 

X....

Yugoslav attack

Zukertort

whoever finds one for x is a opening expert

I don't think there is any for letter X

maybe I'll name one of my novelties with an x so that we have one :P

great idea i'll do the same with one of mine.

G-should be the completely unsound grubbs gambit

 Lets invent an X, who would know.

the xenophobe attack- e4 e5 nf3 q-h5!?

1.d4/d5 2.g3!? this has never been named so I'll name it the x-ray attack.