Play the Jaenisch – Ambitious Repertoire against the Ruy Lopez
Author: FM Maurizio Brancaleoni
The Jaenisch Gambit (1.e4 e5 2.Nf3 Nc6 3.Bb5 f5) has long fascinated players with its aggressive intent and dynamic potential. In this in-depth repertoire course, FM Maurizio Brancaleoni offers a modern and comprehensive take on this powerful gambit system for Black.
This course is packed with content and includes:
✅ 14 deeply analyzed theoretical chapters
✅ 6 annotated model games
✅ 20 interactive test positions
✅ Memory Booster
Note: This course does not include a video version, but the PGN material is exceptionally detailed and structured.
The starting position of the Jaenisch Gambit arises after 1.e4 e5 2.Nf3 Nc6 3.Bb5 f5
The course is divided into two main parts:
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Part One – A thorough investigation of all lines except 4.d3, including:
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The principled 4.Nc3 fxe4 5.Nxe4 Nf6 with deep analysis of both 6.Qe2 and 6.Nxf6+
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Rare systems like 4.Qe2, 4.exf5, 4.Bxc6, and the sharp 4.d4
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Tricky sidelines and tactical shot opportunities in multiple variations
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The author provides numerous novelties and original analysis that refresh theoretical positions
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Part Two – The strategic 4.d3 met with 4...fxe4 5.dxe4 Nf6
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Two complete plans: the dynamic main line with 6...Bc5 and the flexible alternative 6...d6!?
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Detailed coverage of key ideas, including early queen sacrifices, long castling plans, and well-structured attacking setups
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Model games demonstrating Black’s practical chances and tactical resources
Throughout the course, FM Brancaleoni uncovers multiple underrated ideas and novelties that breathe new life into this bold system. Whether you are an ambitious club player or an experienced competitor looking for a surprise weapon, this repertoire will equip you with everything needed to pose serious problems to your Ruy Lopez opponents.
The Jaenisch is a system that combines early aggression with long-term strategic potential—and this course proves it can be played at any level with confidence.
SAMPLE CHAPTER