Tree path 8 levels Queen's Pawn Game › Queen's Gambit › Slav Defense › Modern Line › Slav Defense: Three Knights Variation › Slav Defense: Two Knights Attack › Slav Defense: Alapin Variation › Slav Defense: Czech Variation
- Chess Codex
- Queen's Pawn Game D00
- Queen's Gambit D06
- Slav Defense D10
- Modern Line D11
- Slav Defense: Three Knights Variation D15
- Slav Defense: Two Knights Attack D15
- Slav Defense: Alapin Variation D16
- Slav Defense: Czech Variation D17 you are here
Slav Defense: Czech Variation
Overview
Slav Defense: Czech Variation is a specific line in the Closed & Semi-Closed Games family (ECO D17), arising from a recognised theoretical position.
The Closed & Semi-Closed Games group covers closed and semi-closed games — 1.d4 systems characterised by long strategic manoeuvring rather than early tactics.
It begins with 10 plies and takes 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 to reach the canonical position.
The line refines Slav Defense: Alapin Variation, which traces back to the root opening Queen's Pawn Game.
The line splits into 3 documented sub-systems: Bled Attack, Classical System, Krause Attack.
Together the deeper variations number 12 across the full subtree.
Explore the position on the interactive board, study its real-world results from Lichess, and challenge the engine when you are ready.
- ECO code
- D17
- Group
- Closed & Semi-Closed Games (D)
- Plies
- 10
- Direct variations
- 3
- Total in subtree
- 12
This overview is generated automatically from the opening's metadata. A more detailed, human-written description is on the way — and you can speed it up by suggesting one yourself.
Statistics from Lichess
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Source: Lichess Opening Explorer · cached
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Variations (3)
Show all 12 sub-variations (full subtree)
- D17 Bled Attack 11-ply
- D18 Classical System 11-ply
- D17 Krause Attack 11-ply
- D17 Slav Defense: Czech Variation, Carlsbad Variation 16-ply
- D19 Slav Defense: Czech Variation, Dutch Variation 15-ply
- D17 Fazekas Gambit 13-ply
- D18 Slav Defense: Czech Variation, Lasker Variation 12-ply
- D17 Slav Defense: Czech Variation, Wiesbaden Variation 12-ply
- D17 Morozevich Variation 22-ply
- D19 Slav Defense: Czech Variation, Classical System, Main Line 17-ply
- D17 Sharp Line 15-ply
- D19 Slav Defense: Czech Variation, Dutch Variation, Sämisch Variation 19-ply