I this fourth episode Eric talks to Jonathan D. Tisdall. Jon (born August 26, 1958 in Buffalo, New York) is a chess grandmaster (title awarded 1993) and works as a freelance journalist. An American citizen by origin, he became Irish and later Norwegian. He was Norwegian Chess Champion in 1987, 1991 and 1995. Combining chess with his job as a journalist, he often attends major chess events. In the eighties, he was one of the few Western journalists during the never-ending Kasparov vs. Karpov matches, later he worked as a second for GM Jonathan Speelman during the Candidate Matches. He also acted as a team captain for the Norwegian team and witnessed the rise and development of his compratiot, chess world champion Magnus Carlsen. His book "Improve your chess now" from 1997 is a modern classic.