Chess Legend of 1930's !! Brilliant rook Sacrifice 🔥🔥

Paul keres  a Chess Legend !!!  His way of style was

 sharp and attacking !

He was among those top players of 1950's who never became World champion !!

He have won some great tournaments and have crushed world champions on many occasions !!

He was runner-up in the Candidates Tournament on four consecutive occasion between 1953 and 1962.

 Keres is considered to be one of the greatest and the strongest chess player in history who never   became world champion !! 

Keres is white ! Can you guess his idea ?!

White to move !