The reason to refresh this thread, Mousethief, is that the answers are especially not useful--

The problem here is that PeterT wants to play a tune, and they has got some TAB from somewhere(Only God knows if it is any good) that has a chord name that he does not understand--

My guess is that the chord is simply an open B7 chord, with the fifth(F#) augmented to what is called F##, and is actually the same note as G, but is not called "G" for reasons that we can go into another time--

E-A-D-G-B-E
X-2-1-2-O-3

I don't have music for the song, and am too lazy to look for the recording of the thing, but my guess is that this chord actually follows a regular B7, so you would need to simply slide the pinky finger up one fret--however, I could be wrong--which brings me to my point--

I have been made a fool of (as have many others) by questions like this, because the person who asks the question doesn't give all, and sometimes not any, of the important information--

so we all make a guess as to what theoretical point they are trying to understand, and each of us spends a bit of time trying to explain some fine point of music theory, guitar chording, technique or whatever, only to discover that the person wanted something else entirely--

PeterT, if you are having a problem with a chord in a song, give us the chords to the whole song, so whichever of us are inclined can play through it, correct or clarify it--

If you need to find a pattern of fingerings that work, you will be hardpressed to get a good answer here or anywhere on the internet, simply because there isn't any easy way to show us the fingerings that you are using--this is the kind of question that you need to sit down with your guitar teacher to find an answer to--

augmented chord with a