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Nimzowitsch Defence Against 1.e4

Four Knights Sicilian - Expert Repertoire for Black 

IM Kushager Krishnater January 11, 2026 Sicilian Defense1.e4

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2h and 31min PGN Download Memory Booster Interactive Tests Video Content

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Content  (52 Articles)

Introduction and Free Preview  Free
Introduction - Video  Closed
Introduction  Closed
Chapter 1 - Video Lecture  Closed
Chapter 1 - Rare 6th Moves  Closed
Chapter 1 - Memory Booster  Closed
Chapter 2 - Video Lecture  Closed
Chapter 2 - 6.g3  Closed
Chapter 2 - Memory Booster  Closed
Chapter 3 - Video Lecture  Closed
Chapter 3 - 6.Qd3  Closed
Chapter 3 - Memory Booster  Closed
Chapter 4 - Video Lecture  Closed
Chapter 4 - 6.a3  Closed
Chapter 4 - Memory Booster  Closed
Chapter 5 - Video Lecture  Closed
Chapter 5 - 6.Bf4  Closed
Chapter 5 - Memory Booster  Closed
Chapter 6 - Video Lecture  Closed
Chapter 6 - 6.Be2  Closed
Chapter 6 - Memory Booster  Closed
Chapter 7 - Video Lecture  Closed
Chapter 7 - 6.Ndb5 Bb4 7.a3 Bxc3 + 8.Nxc3  Closed
Chapter 7 - Memory Booster  Closed
Chapter 8 - Video Lecture  Closed
Chapter 8 - 6.Ndb5 Bb4 7.a3 Bxc3 + 8.Nxc3  Closed
Chapter 8 - Memory Booster  Closed
Chapter 9 - Video Lecture  Closed
Chapter 9 - 6.Nxc6 bxc6 7.e5 Nd5 8.Ne4  Closed
Chapter 9 - Memory Booster  Closed
Chapter 10 - Video Lecture  Closed
Chapter 10 - 6.Nxc6 bxc6 7.e5 Nd5 8.Ne4 B  Closed
Chapter 10 - Memory Booster  Closed
Chapter 11 - Video Lecture  Closed
Chapter 11 - 6.Nxc6 bxc6 7.e5 Nd5 8.Ne4 B  Closed
Chapter 11 - Memory Booster  Closed
Bonus Chapter - Video Lecture  Closed
Bonus Chapter - 8...Qc7 9.f4 Rb8!?  Closed
Bonus Chapter - Memory Booster  Closed
Chapter 1 - To Go Version - Rare 6th Moves  Closed
Chapter 2 - To Go Version - 6.g3  Closed
Chapter 3 - To Go Version - 6.Qd3  Closed
Chapter 4 - To Go Version - 6.a3  Closed
Chapter 5 - To Go Version - 6.Bf4  Closed
Chapter 6 - To Go Version - 6.Be2  Closed
Chapter 7 - To Go Version - 6.Ndb5 Bb4 7.a3 Bxc3 + 8.Nxc3  Closed
Chapter 8 - To Go Version - 6.Ndb5 Bb4 7.a3 Bxc3 + 8.Nxc3  Closed
Chapter 9 - To Go Version - 6.Nxc6 bxc6 7.e5 Nd5 8.Ne4  Closed
Chapter 10 - To Go Version - 6.Nxc6 bxc6 7.e5 Nd5 8.Ne4 B  Closed
Chapter 11 - To Go Version - 6.Nxc6 bxc6 7.e5 Nd5 8.Ne4 B  Closed
Bonus Chapter - To Go Version - 8...Qc7 9.f4 Rb8!?  Closed
Test Section  Closed

79.00 EUR

Four Knights Sicilian: Krishnater's Blueprint for the Reluctant Theoretician

The Four Knights variation after 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 has long occupied an uncomfortable middle ground in Sicilian theory. Strong enough to appear in elite practice, yet not quite sharp enough to attract the dedicated theoretical workforce that systems like the Najdorf or Sveshnikov enjoy. IM Kushager Krishnater's new course addresses this gap with a renovated repertoire built around a refreshing idea: 8...Bb7, steering clear of the well-trodden 8...Qc7 main lines and venturing into positions where practical understanding outweighs memorization. For players who want a fighting Sicilian without committing to encyclopedic preparation, this approach offers genuine appeal.

What Makes This Course Unique

Krishnater's central contribution lies in his treatment of the critical 6.Nxc6 bxc6 7.e5 Nd5 8.Ne4 position. Rather than following the extensively analyzed 8...Qc7 lines, he advocates 8...Bb7, deliberately choosing the road less traveled. This isn't theoretical avoidance for its sake—it's a calculated bet that practical chess understanding matters more than computer preparation in positions where both sides must navigate complex piece play and pawn structures. The repertoire also includes a fascinating Bonus Chapter examining 8...Qc7 9.f4 Rb8, where Black accepts material deficit for dynamic compensation—particularly effective in faster time controls where White must find accurate moves under pressure.

Beyond the main line, the course provides systematic coverage of White's alternatives. From the rare 6.Bc4 and 6.h3 ideas to more substantial tries like 6.g3, 6.Qd3 (a recent weapon in Vidit Gujrathi's arsenal), and the forcing 6.Bf4, each system receives focused analysis aimed at strong players who need reliable answers without excessive memorization. The 6.Ndb5 complex, gets particularly thorough treatment across two chapters covering both 9.Bd3 and 9.exd5 setups.

Having recently released his well-received Benko Gambit for Black - Top-Level Repertoire, Krishnater now completes a different puzzle piece for Black players—a fighting response to 1.e4. Where the Benko addresses 1.d4 with strategic imbalance and long-term compensation, the Four Knights Sicilian maintains classical Sicilian dynamism while sidestepping the most heavily analyzed theoretical battlegrounds. The two courses complement each other for players building a complete Black repertoire without drowning in theory.

Course Structure

The material is organized across:

Variation Map

After 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6:

Explore the course and add a sophisticated Sicilian weapon to your repertoire—one that rewards understanding over memorization.

INTRODUCTION BY THE AUTHOR

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SAMPLE CHAPTER

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