how to improve in playing this type of position?

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GKfreak

 

 

 

 

 

 

im black playing against an 1700+ opponent, this is the resulting position.

well i really dont know what to do in this position. Is this still middlegame? or endgame? what is the strategy lying behind this? what is the plan for both players? there are so many moves that i can play.....

any idea on how to improve in playing this type of position? 

GKfreak

oooooo thks