Nice positional moves regarding pawn structure and piece activity.

I was delighted to see this. Petrosian had sacrificed a pawn, and Botvinnik had a doubled a pawn then, but was quick to get rid of it, and secure the c5 square for the white knight. Really nice.

It reminded me of a Karpov game :

Epilogue :
Having fun with chess is important to me, but also appreciating the beauty of chess is what pops up the word : art To me chess can be seen as game, sport and art.