Viktor Korchnoi

Viktor Korchnoi (1931-2016) chess Grandmaster (1956-2016) and International Master (1954-1956). Peak rating 2695. Defected from USSR to the Netherlands in 1976.

Viktor Korchnoi vs Anatoly Karpov

In the 1978 Baguio tournament, Anatoly Karpov found a way to finish the game against Viktor Korchnoi. This puzzle shows the calculated mate in three that defined their high-stakes meeting.

Rafael Vaganian vs Viktor Korchnoi

In Moscow 1975, Rafael Vaganian found a way to overcome the legendary Viktor Korchnoi. This puzzle presents a quick mating net that White can execute in just two moves.

GM Jan Timman’s Last Book

Grandmaster Jan Timman’s final masterpiece, *Timman’s Studies*, celebrates his legacy through brilliant endgame compositions and timeless chess insight. More 🡢

Greatest World Chess Champion of All Time?

How to judge which world chess champion is the greatest of all time? One might look at the number of years that the champion held the title, inflation-adjusted peak rating, dominance over peers, or abilities as a chess ambassador. Another criterion, adopted by this article, is how many different challengers has each world chess champion faced. More 🡢

Clubs turn to online chess

The ChessClub and Scholastic Center of Atlantaclosed on March 11 because of the pandemic. Its founders, Karen Boyd and Grandmaster Ben Finegold, are streaming online and planning the club’s in-person re-opening. The Dallas Chess Club vacated its rented location in June. Its staff is running in-person chess tournaments at hotels. WIM Alexey Root tells how each club is dealing with the pandemic. More 🡢

Viktor Korchnoi vs. Lev Polugaevsky

Would you like to solve this puzzle from Viktor Korchnoi vs Lev Polugaevsky? White to move and mate in 3. Play it on line.

Viktor Korchnoi vs. Peterson

Viktor Korchnoi vs. Peterson, Kiev, 1964. White to move and win in 4.