Best Opening To Get Decisive Result!

Originally posted by Mad Rook
http://www.chessgames.com/perl/chessgame?gid=1106201

And 30 years later, Petrosian sees 17.d5 from the black side, and takes with 17...Bxd5:

http://www.chessgames.com/perl/chessgame?gid=1270261

Thanks Rook, i could not see it anywhere, i even searched chessgames for Petrosian v Smylov games but i could only find one from 1961, not 1951 🙂