The original is played in Gb, but I made it G to simplify things a bit. Note that 
the Intro, Chorus and Outro keeps this rhythm:

G (1234 12)  B7/D (34)  Em (1234 12)  E7/G# (34)
Am (1234 1234)  D (1234 1234)

It will be easier to understand how to play if you keep that pattern in mind. 
Listen to the song to get the exact pattern, and enjoy!

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INTRO:
G     B7/D  Em     E7/G#
Am          D

VERSE 1:
             G
I don't wanna talk
                  D/F#
About things we've gone through
                  Am/E
Though it's hurting me
          D
Now it's history
                  G 
I've played all my cards
                    D/F#
And that's what you've done too
              Am/E
Nothing more to say
              D
No more ace to play 


CHORUS 1:
                  G
The winner takes it all
   B7/D           Em
The loser standing small
  E7/G#        Am
Beside the victory 
               D
That's her destiny 


VERSE 2:
              G
I was in your arms
             D/F# 
Thinking I belonged there
                 Am/E
I figured it made sense
               D
Building me a fence
              G
Building me a home
                D/F# 
Thinking I'd be strong there
            Am/E
But I was a fool
                D
Playing by the rules


CHORUS 2: 
                       G
The gods may throw the dice
      B7/D             Em
Their minds as cold as ice
     E7/G#           Am
And someone way down here
               D
Loses someone dear
                  G
The winner takes it all
   B7/D          Em
The loser has to fall 
      E7/G#           Am
It's simple and it's plain
                 D
Why should I complain 


VERSE 3:
                     G
But tell me does she kiss
               D/F#  
Like I used to kiss you?
                 Am/E
Does it feel the same
                     D 
When she calls your name?
                 G 
Somewhere deep inside
                D/F# 
You must know I miss you
              Am/E
But what can I say
                D
Rules must be obeyed 


CHORUS 3:
                  G
The judges will decide
    B7/D         Em 
The likes of me abide
   E7/G#           Am
Spectators of the show
                D
Always staying low
                 G
The game is on again
  B7/D        Em 
A lover or a friend
 E7/G#            Am
A big thing or a small
                    D 
The winner takes it all


VERSE 4:
               G
I don't wanna talk
                D/F#  
If it makes you feel sad
           Am/E
And I understand
                     D
You come to shake my hand
        G
I apologize
                D/F#  
If it makes you feel bad
             Am/E
Seeing me so tense
              D
No self-confidence 


OUTRO:
                     G     B7/D  Em       
The winner takes it all
    E7/G#           Am          D  
The winner takes it all...


||: G     B7/D  Em     E7/G#
    Am          D            :||  Repeat and fade...