![Douglas Griffin on Twitter: "From the Novosti Press archive, a photo of Mikhail Tal in play v. Tigran Petrosian in the 50th USSR Championship. Their encounter took place in the 2nd round ( Douglas Griffin on Twitter: "From the Novosti Press archive, a photo of Mikhail Tal in play v. Tigran Petrosian in the 50th USSR Championship. Their encounter took place in the 2nd round (](https://pbs.twimg.com/media/EcorVMlWkAAw2-u.jpg:large)
Douglas Griffin on Twitter: "From the Novosti Press archive, a photo of Mikhail Tal in play v. Tigran Petrosian in the 50th USSR Championship. Their encounter took place in the 2nd round (
![The Petrosian-Spassky World Championship Match (Moscow, 1969), with annotations by Tal, Korchnoi, Boleslavsky & Bondarevsky. | Soviet Chess History The Petrosian-Spassky World Championship Match (Moscow, 1969), with annotations by Tal, Korchnoi, Boleslavsky & Bondarevsky. | Soviet Chess History](https://dgriffinchess.files.wordpress.com/2021/07/1969-wch-moskva-22-petrosian-spassky.jpg)
The Petrosian-Spassky World Championship Match (Moscow, 1969), with annotations by Tal, Korchnoi, Boleslavsky & Bondarevsky. | Soviet Chess History
![Douglas Griffin on Twitter: "Mikhail Tal v. Tigran Petrosian, 25th USSR-ch, Riga 1958, which featured the trademark positional exchange sacrifice by Petrosian, 31...Rf4! Semyon Furman looks on. ('#Chess in the USSR', No. Douglas Griffin on Twitter: "Mikhail Tal v. Tigran Petrosian, 25th USSR-ch, Riga 1958, which featured the trademark positional exchange sacrifice by Petrosian, 31...Rf4! Semyon Furman looks on. ('#Chess in the USSR', No.](https://pbs.twimg.com/media/DOcRU-FWsAAXZv6.jpg:large)
Douglas Griffin on Twitter: "Mikhail Tal v. Tigran Petrosian, 25th USSR-ch, Riga 1958, which featured the trademark positional exchange sacrifice by Petrosian, 31...Rf4! Semyon Furman looks on. ('#Chess in the USSR', No.
![Tal, Petrosian, Spassky and Korchnoi: A Chess Multibiography with 207 Games: Soltis, Andrew: 9781476683645: Amazon.com: Books Tal, Petrosian, Spassky and Korchnoi: A Chess Multibiography with 207 Games: Soltis, Andrew: 9781476683645: Amazon.com: Books](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71BfuFxJCaS._AC_UF1000,1000_QL80_.jpg)
Tal, Petrosian, Spassky and Korchnoi: A Chess Multibiography with 207 Games: Soltis, Andrew: 9781476683645: Amazon.com: Books
![World Chess Championship Matches. Book 2 (Botvinnik, Smyslov, Tal, Petrosian, Spassky, Fischer): Igor Berdichevsky: 9785946930086: Amazon.com: Books World Chess Championship Matches. Book 2 (Botvinnik, Smyslov, Tal, Petrosian, Spassky, Fischer): Igor Berdichevsky: 9785946930086: Amazon.com: Books](https://m.media-amazon.com/images/I/51+S3KBrSSL._AC_UF1000,1000_QL80_.jpg)