I have read an interview with Boris Spassky on another website (9 April 2016).
Boris Spassky spoke with Yury Golyshak and Alexander Kruzhkov in a long "Friday interview" of the Russian newspaper Sport Express.
I remember that he spoke about Víktor Korchnói and there were phrases that caught my attention in relation to "Viktor the Terrible".
"The most unpleasant thing was when he decided to scratch the table with his nails".
"When he decided to offer the tables, Korchnoi called the referee and offered them with him as an intermediary, even though I was sitting in front of him".
The fact that Korchnoi did not win the World Championship was meritorious? (interviewer)
"100 percent. He never had any individuality".
About Kiev (1968).
"I got together with some friends, I took a car and drove to Yeisk, on the Sea of Azov. There I took a look at the last games of Korchnoi, all with many plays!"
What does that mean? (interviewer)
"Can´t you see it? Instead of winning a game in 40 moves, he used 140! The quality of each play was low! Upon discovering that, I calmed down. I stopped preparing. I went fishing to the sea and I left. I won the match quite easily. There was no trick, but then, in Belgrade, Korchnoi accused me of having "hypnotized" him!".
I haven´t experience in chess. In fact, I've never played a face-to-face game.
I just analyzed (not very carefully) a Korchnoi´s game.
Korchnoi-Tal. USSR championship. 1956.
132 movements (draw).
A game of marathon type in chess. What explanations can it have?(for a beginner player like me): exhaust the rival, somewhat Machiavellian behavior, is it prepared beforehand or does it emerge during the game?......