- Armbruster,
Alexander (7 June 2016). "Schachspieler und Großmeister
Viktor Kortschnoi ist gestorben". FAZ.NET (in German).
Archived from the
original on 3 November...
- description.
Boris Gulko, Yuri Felshtinsky,
Vladimir Popov,
Viktor Kortschnoi, The KGB
Plays Chess: The
Soviet Secret Police and the
Fight for the World...
-
Portisch comments on the
controversy surrounding his draw
against Viktor Kortschnoi in
their fourth and last game." per
ChessBase article "Lajos Portisch...
- ISBN 978-1-85744-668-5. Gulko, Boris; Felshtinsky, Yuri; Popov, Vladimir;
Kortschnoi,
Viktor (2011). The KGB
Plays Chess: The
Soviet Secret Police and the...
- 2021/kw20-erzberger-841656,
Schachgesellschaft Zürich, Zürich (Viktor
Kortschnoi)
Fuchs Gewürze, Foyer,
Dissen (Dieter Fuchs) Kurhaus, Bad
Pyrmont (Zar...
