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The Keymer Variation - 1.Nf3 d5 2.e3

“People did not take 1.Nf3 d5 2.e3 too seriously until recently, when online chess started becoming popular due to the pandemic, as this opening was used frequently. I discovered how venomous this opening was when I was trying to find a way to play against it with black, and to my surprise this was not easy. Vincent Keymer uses this opening in a huge percentage of his games and gets great positions and results with them. With this opening, White avoids mainstream theory, and there is more than one possibility for each move. The opening is a mix of positional and attacking elements depending on what system black chooses. I think most club-level players would not know how to effectively counter this opening.”

This video course features the ins-and-outs of the possible setups Black can choose. You’ll learn the key concepts and strategies needed to add this fantastic opening to your repertoire. An easy-to-learn and yet venomous weapon that will make your opening play more versatile. Moreover, this course enables you to practice the repertoire with the ChessBase Opening Trainer. Drilling the opening moves, guessing how a position arose or just replay the moves in your desired speed further reveal the ideas this opening has to offer. Start your journey now!

  • Video running time: 6 hours
  • Training with ChessBase apps -
  • Memorize the opening repertoire and play key positions against Fritz on various level

This is what is delivered:

  • Fritztrainer App for Windows and Mac
  • Available as download or on DVD
  • Video course with a running time of approx. 4-8 hrs.
  • Repertoire database: save and integrate Fritztrainer games into your own repertoire (in WebApp Opening or in ChessBase)
  • Interactive exercises with video feedback: the authors present exercises and key positions, the user has to enter the solution. With video feedback (also on mistakes) and further explanations.
  • Sample games as a ChessBase database.
  • New: many Fritztrainer now also available as stream in the ChessBase video portal!

That's what the FritzTrainer App can do for you:

  • Videos can run in the Fritztrainer app or in the ChessBase program with board graphics, notation and a large function bar
  • Analysis engine can be switched on at any time
  • Video pause for manual navigation and analysis in game notation
  • Input of your own variations, engine analysis, with storage in the game
  • Learn variations: view specific lines in the ChessBase WebApp Opening with autoplay, memorize variations and practise transformation (initial position - final position).
  • Active opening training: selected opening positions are transferred to the ChessBase WebApp Fritz-online. In a match against Fritz you test your new knowledge and actively play the new opening.

Even more possibilities: Start FritzTrainer in the ChessBase program!

  • The database with all games and analyses can be opened directly.
  • Games can be easily added to the opening reference.
  • Direct evaluation with game reference, games can be replayed on the analysis board
  • Your own variations are saved and can be added to the own repertoire
  • Replay training
  • LiveBook active
  • All engines installed in ChessBase can be started for the analysis
  • Assisted Analysis
  • Print notation and diagrams (for worksheets)

Muestra de vídeo


  • Introduction
  • Early Deviations
  • 1.Nf3 d5 2.e3
  • 2nd move deviations
  • c6 systems
  • 1.Nf3 d5 2.e3 Nf6 3.c4 c6 4.Nc3
  • Early Bf5 and Bg4
  • 4...e6
  • 4...Nbd7
  • 4...a6
  • c5 systems
  • 1.Nf3 d5 2.e3 c5 3.b3
  • 3rd move deviations
  • 4th move deviatons
  • 3...Nf6
  • e6 systems
  • 1.Nf3 d5 2.e3 Nf6 3.c4 e6 4.Nc3
  • 4...b6
  • 4...c5 5.cxd5 Nxd5
  • 4...c5 5.cxd5 exd5
  • 4...Be7
  • 4...dxc4
  • Exercises
  • Description
  • Exercise 1
  • Exercise 2
  • Exercise 3
  • Exercise 4
  • Exercise 5
  • Exercise 6
  • Exercise 7
  • Exercise 8
  • Exercise 9
  • Repertoire Training
  • Description
  • 2nd move deviations
  • c6 systems - Aiming for Semi-Slav 4...e6
  • c6 systems - Early Bf5/Bg4
  • c6 systems - Aiming for Semi-Slav 4...Nbd7
  • c6 systems - Aiming for Chebanenko Slav
  • c5 systems - 3...Nf6
  • c5 systems - deviations on move 3
  • c5 systems - deviations on move 4
  • e6 systems - 4...b6 Queen's Indian Style
  • e6 systems - 4...c5 5...Nxd5
  • e6 systems - 4...c5 5...exd5
  • e6 systems - 4...Be7
  • e6 systems - 4...dxc4
  • Practice Positions
  • Description
  • c6 systems 1 (Semi-Slav with e6)
  • c6 systems 2 (early Bg4)
  • c6 systems 3 (Semi-Slav with Nbd7)
  • c6 system 4 (Chebanenko Slav)
  • c5 systems 1 (3...Nf6)
  • c5 systems 2 (3...a6)
  • c5 systems 3 (4...g6)
  • e6 systems 1 (4...b6)
  • e6 systems 2 (4...c5 5...Nxd5)
  • e6 systems 3 (4...c5 5...exd5)
  • e6 systems 4 (4...Be7)
  • e6 systems 5 (4...dxc4)
  • Bonus
  • Analysis
  • Model Games

Otras aperturas de flanco

Además de las dos jugadas principales 1.e4 y 1.d4, también se juegan 1.c4 y 1.Cf3, que se consideran formas muy sólidas y respetables de comenzar la partida. No obstante, las blancas también pueden permitirse arrancar con 1.b3, 1.g3 o incluso 1.f4 o 1.b4.

=> Más productos: Otras aperturas de flanco
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