King's Indian Defence Combinations

Today's excercises are derived from the King's Indian Tactical Themes only. Good luck!

I.Black to play and win

II.Black to play and win

III.Black to play and win

IV Black to play and win

V Black to play and winVI Black to play and win

Most positions come from famous games, with the Black side led by top players such as Najdorf,Kasparov,Nunn and Radjabov (for the very last position).You can play through all six games and therefore check if your guess is correct on the following link:

http://games.top10chess.com/kingsindiandefence.htm