Hi guys! It's my first time posting here on Ultimate-Guitar so be nice!
Anyway, after watching live videos and listening to the song a lot of times I've 
finally figured out the chords that Brandon uses. 
Sounds about right to me, so enjoy! 
I've also figured 3/4 of Ryan's. I'll be posting that one soon :) 
Feel free to comment/critique/hate/something! :)
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NOTE: Brandon usually silences/doesn't play the 'e' string.
      Just listen to the song for the strumming. So you'd know when to pause etc.

Chords: 
          Ea dg be
Asus2 (x02200@1)  [x 0 2 2 0 0]
Esus4/Eb [0 2 1 2 0 0]
Asus (x02230@1)   [0 0 0 2 3 0]
Gbm (244222@1)    [x 4 4 2 2 2]
E (022100@1)      [0 2 2 1 0 0]
 

Asus2
 Six o'clock on a Friday night,
Esus4/Eb
 Tell myself that it's alright
         Asus (x02230@1)          Asus2But (x02200@1)it's not enough, it's not enough

Asus2
I'm gonna light up the town tonight
Esus4/Eb
So I can try, to say goodbye
         Asus (x02230@1)          Asus2But (x02200@1)it's not enough, it's not enough


PRE-CHORUS
Gbm (244222@1)                   E (022100@1)Well I want you to know that
                  AsusYou're (x02230@1)all that I want and now
         E(strum (022100@1)afew (x02210@1)then pause)
Well I'm begging you please ...


CHORUS
Asus  Asus2
Don't go (don't go)
        E (022100@1)              Gbm (244222@1)    EI (022100@1)could say that I don't miss you but
   Asus (x02230@1)  Asus2My (x02200@1)heart knows (heart knows)
     E (022100@1)                   Gbm (244222@1)       E (022100@1)     AsusThat (x02230@1)you're the one for me (you're the one for me)
                          Asus2I (x02200@1)never thought you would follow through
Gbm (244222@1)                    E (022100@1)I never thought I would say this to you
Gbm (244222@1)        E (022100@1)           Asus (x02230@1)     
   Come home, cause I miss you

Asus2
By the phone on a Friday night
Esus4/Eb
Tell myself you're on the line
        AsusBut (x02230@1)it's not enough (not enough),
     Asus2It's (x02200@1)not enough

Asus2
I need to find something else inside
Esus4/Eb
So I can try to make this right
           AsusCause (x02230@1)I've got enough (got enough),
     Asus2I've (x02200@1)got enough


PRE-CHORUS
Gbm (244222@1)                   E (022100@1)Well I want you to know that
                  AsusYou're (x02230@1)all that I want and now
         E(strum (022100@1)afew (x02210@1)then pause)
Well I'm begging you please ...


CHORUS
Asus  Asus2
Don't go (don't go)
        E (022100@1)              Gbm (244222@1)    EI (022100@1)could say that I don't miss you but
   Asus (x02230@1)  Asus2My (x02200@1)heart knows (heart knows)
     E (022100@1)                   Gbm (244222@1)       E (022100@1)     AsusThat (x02230@1)you're the one for me (you're the one for me)
                          Asus2I (x02200@1)never thought you would follow through
Gbm (244222@1)                    E (022100@1)I never thought I would say this to you
Asus (x02230@1)                  Asus2I (x02200@1)never thought I would fight for you
Gbm (244222@1)              EYou're (022100@1)the one for me (you're the one for me)

{instrumental} (Which is actually a repeat of the Second chorus)
Asus - Asus2 - E- Gbm-E
Asus - Asus2 - E- Gbm-E
Asus - Asus2 - Gbm - E
Asus - Asus2 - Gbm - E

[Strum once per chord except for the second 'E']
Asus (x02230@1)Asus2 (x02200@1)     E (022100@1)              Gbm (244222@1)Don't go, I could say that I don't miss you
E (022100@1)    Asus (x02230@1)           EBut (022100@1)my heart knows that you're the one for me

CHORUS
Asus  Asus2
Don't go (don't go)
        E (022100@1)              Gbm (244222@1)    EI (022100@1)could say that I don't miss you but
   Asus (x02230@1)  Asus2My (x02200@1)heart knows (heart knows)
     E (022100@1)                   Gbm (244222@1)       E (022100@1)     AsusThat (x02230@1)you're the one for me (you're the one for me)
Asus (x02230@1)                  Asus2I (x02200@1)never thought you would follow through (follow through)
Gbm (244222@1)                   EI (022100@1)never thought I would say this to you
Asus (x02230@1)                  Asus2I (x02200@1)never thought I would fight for you (fight for you)
Gbm (244222@1)              EYou're (022100@1)the one for me

Asus  Asus2
Don't go (don't go)
        E (022100@1)              GbmI (244222@1)could say that I don't miss you but
    Asus (x02230@1) Asus2My (x02200@1)heart knows (heart knows)
     E (022100@1)                   Gbm (244222@1)       E (022100@1)     AsusThat (x02230@1)you're the one for me (you're the one for me)
Asus (x02230@1)                  Asus2I (x02200@1)never thought you would follow through (follow through)
Gbm (244222@1)                   EI (022100@1)never thought I would say this to you
Gbm (244222@1)       E (022100@1)           Asus (x02230@1)    
  Come home, cause I miss you