Tree path 7 levels Catalan Opening › Catalan Opening › Closed › Catalan Opening: Closed › Catalan Opening: Closed › Catalan Opening: Closed › Sokolsky Variation
- Chess Codex
- Catalan Opening E00
- Catalan Opening E00
- Closed E01
- Catalan Opening: Closed E06
- Catalan Opening: Closed E07
- Catalan Opening: Closed E08
- Sokolsky Variation E09 you are here
Catalan Opening: Closed, Sokolsky Variation
Overview
Catalan Opening: Closed, Sokolsky Variation is a named branch in the Indian Defenses group of chess theory, classified under ECO E09.
The Indian Defenses group covers Indian defences — hypermodern lines where Black challenges the centre with pieces rather than pawns.
Play reaches this position via 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7 7. Qc2 c6 8. Nbd2 b6 9. b3 a5 10. Bb2 Ba6, after 20 plies of opening development.
In the opening tree, this line branches off from Catalan Opening: Closed, part of the broader Catalan Opening system.
Use the board to walk through every move, check how the position has scored on Lichess, or take it head-to-head against Stockfish.
- ECO code
- E09
- Group
- Indian Defenses (E)
- Plies
- 20
- Parent
- Catalan Opening: Closed
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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