specific performance IN NYC if seller not willing to sell

[Yasin Yazdan Ahmed]

Hi all 

I have recently signed a contract as a buyer the seller all of a sudden got a cold feet and is unwilling to go through the sales or closing of the property a time of essence letter was given with a date for closing they did not show up a transcription report was done , i am willing to sue them for specific performance I just wanted to know if anyone has done it before here in queens, NY area. what are the chances for me to win the case and i do know its going to cost me some money as legal fees but i also don't wish the seller to just walk away.