Universal Solution against Philidor, Modern, and Pirc
Nimzowitsch Defence Against 1.e4

Understand the French Defense: Kortschnoi's Legacy 

GM Pier Luigi Basso May 12, 2026 French Defense1.e4

Sequence:  1.e4 Structures  »

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2h and 7min PGN Download Interactive Tests Video Content

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Content  (28 Articles)

Introduction and Free Preview  Free
Introduction  Closed
Model Game 1 - Video Lecture  Closed
Model Game 1 - Dvoirys vs Korchnoi  Closed
Model Game 2 - Video Lecture  Closed
Model Game 2 - Kiik vs Korchnoi  Closed
Model Game 3 - Video Lecture  Closed
Model Game 3 - Short vs Korchnoi  Closed
Model Game 4 - Video Lecture  Closed
Model Game 4 - Klundt vs Korchnoi  Closed
Model Game 5 - Video Lecture  Closed
Model Game 5 - Van der Wiel vs Korchnoi  Closed
Model Game 6 - Video Lecture  Closed
Model Game 6 - Kasparov vs Korchnoi  Closed
Model Game 7 - Video Lecture  Closed
Model Game 7 - Borriss vs Korchnoi  Closed
Model Game 8 - Video Lecture  Closed
Model Game 8 - Predojevic vs Korchnoi  Closed
Model Game 9 - Video Lecture  Closed
Model Game 9 - Charbonneau vs Korchnoi  Closed
Model Game 10 - Video Lecture  Closed
Model Game 10 - Vallejo Pons vs Korchnoi  Closed
Model Game 11 - Video Lecture  Closed
Model Game 11 - Polgar vs Korchnoi  Closed
Model Game 12 - Spassky vs Korchnoi, 1978 Candidates Final  Closed
Model Game 13 - Felgaer vs Korchnoi  Closed
Model Game 14 - Timman vs Korchnoi  Closed
Test Section  Closed

99.00 EUR

Understand the French Defense: Korchnoi's Legacy

Viktor Korchnoi didn't play the French Defense — he fought with it. While Rubinstein gave the opening its strategic foundations and Petrosian refined it into a tool of prophylactic perfection, Korchnoi transformed the French into something entirely different: a weapon of uncompromising combativeness. This third volume in GM Pier Luigi Basso's Understand the French Defense series presents the opening through the eyes of one of history's most resilient fighters, revealing how "ugly" positions and concrete energy can overcome even the most objectively balanced evaluations.

The Fighter's French

GM Basso's approach remains consistent with the series philosophy: understanding through the games of legends, not endless engine lines. But Korchnoi's legacy demands a different narrative. Where Rubinstein's volume established clarity and Petrosian's volume demonstrated long-term control, this course showcases fighting spirit. Korchnoi proved the French is not a drawing weapon — it is one of the sharpest openings Black can choose.

The course centers on the Winawer Variation (3...Bb4), Korchnoi's signature weapon and the line he used to qualify for World Championship matches. Games 1–11 track his classical encounters against Short, Kasparov, Polgar, and Vallejo Pons, revealing the stubborn depth of understanding that defined his approach. Games 13–14 add two Winawer masterpieces annotated by GM Baadur Jobava, offering a second grandmaster perspective on Korchnoi's combative style.

Model Game 12 shifts to the Advance Variation, presenting the legendary Spassky–Korchnoi encounter from the 1978 Candidates final — the game that secured Korchnoi's World Championship match against Karpov — with analysis by GM Vladimir Malakhov. Coverage extends to the Tarrasch Variation as well, demonstrating Korchnoi's practical flexibility across the French landscape.

Coverage extends beyond the Winawer to include the Advance Variation and Tarrasch setups, demonstrating Korchnoi's practical flexibility across the French landscape. His games illustrate how to neutralize White's subtle plans and sustain pressure even in positions others might avoid.

Course Features

Multiple annotators — GM Basso, GM Malakhov, and GM Jobava — reflect exactly what Korchnoi represented: a player so unique and inspiring that every grandmaster has something important to contribute about his legacy.

Ready to Fight?

If you're tired of passive defense and ready to discover the French as a weapon of stubborn resistance and concrete counterplay, this is your course. Study the games of a player who never drew when he could fight. Start Understand the French Defense: Korchnoi's Legacy and transform your understanding of what the French can truly achieve.

INTRODUCTION BY GM PIER LUIGI BASSO

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