I did this by ear, so it is probably NOT accurate! Please rate or comment a correction!
I haven't seen a Tab for this song yet, so I decided to do this! 
This song is at the moment quite new, and i fell in love with it!

"Battlefield by Lea Michele"



Capo 4:

 Am: x02210
  C: x32010
  D: xx0232
Em7: 022033






Intro: Am - C - D - Em7


     Am
It's easy to fall in love
            C
But it's so hard to break somebody's heart
     D                                                Em7                               
What seemed like a good idea has turned into a battlefield
Am                                           C
Once, lust has turned to dust and all that's left held breath
                             D
Forgotten who we first met
                                                       Em7
What seemed like a good idea has turned into a battlefield

[The same chords through the whole song]

We both know it's coming

Does illusion count for something real?

The surface tension's gotta break, one drop is all it takes to flood out this 
lie



You and I

We have to let it each other go

We keep holding on but we both know

What seemed like a good idea has turned into a battlefield



Peace will come when one of us puts down the guns

Be strong for both of us

No please, don't run, don't run

Eye to eye, we face our fears unarmed on the battlefield



What seemed like a good idea

What seemed like a good idea



No blood will spill if we would get out

Now, still it's hard to put the fire out

What seemed like a good idea has turned into a battlefield

Feelings are shifting like the tide

And I think too much about the future

What seemed like a good idea has turned into a battlefield



We both know it's coming

Does illusion count for something real?

The surface tension's gotta break, one drop is all it takes to flood out this 
lie



You and I

We have to let it each other go

We keep holding on but we both know

What seemed like a good idea has turned into a battlefield



Peace will come when one of us puts down the guns

Be strong for both of us

No please, don't run, don't run

Eye to eye, we face our fears unarmed on the battlefield



What seemed like a good idea

What seemed like a good idea

What seemed like a good idea



I hope I could help, I did this by ear and this is only my seconds Tab! 
I have no idea for a pattern ... sorry.