Tree path 4 levels King's Pawn Game › Modern Defense › Modern Defense › Standard Line
- Chess Codex
- King's Pawn Game B00
- Modern Defense B06
- Modern Defense B06
- Standard Line B06 you are here
Modern Defense: Standard Line
Overview
Modern Defense: Standard Line is a variation within the Semi-Open Games family, indexed as ECO B06.
The Semi-Open Games group covers semi-open games — replies to 1.e4 where Black declines the symmetrical 1…e5 in favour of an asymmetric pawn structure.
It is reached after 5 plies of play, with the move sequence 1. e4 g6 2. d4 Bg7 3. Nc3.
It is a variation of Modern Defense, which itself descends from the root opening King's Pawn Game.
It is the root of 7 named variations, with Modern Defense: Anti-Modern, Modern Defense: Gurgenidze Defense, Modern Defense: Lizard Defense, Mittenberger Gambit, and others among the most studied.
In total, the branch covers 17 sub-variations across all depths.
Step through the moves on the interactive board below, review the live Lichess statistics, or play this position against Stockfish at one of six difficulty levels.
- ECO code
- B06
- Group
- Semi-Open Games (B)
- Plies
- 5
- Parent
- Modern Defense
- Direct variations
- 7
- Total in subtree
- 17
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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Variations (7)
- B06 Modern Defense: Anti-Modern
- B06 Modern Defense: Gurgenidze Defense
- B06 Modern Defense: Lizard Defense, Mittenberger Gambit
- B06 Modern Defense: Modern Pterodactyl
- B06 Modern Defense: Mongredien Defense, with Nc3
- B06 Modern Defense: Standard Defense
- B06 Modern Defense: Two Knights Variation, Suttles Variation
Show all 17 sub-variations (full subtree)
- B06 Modern Defense: Anti-Modern 9-ply
- B06 Modern Defense: Gurgenidze Defense 10-ply
- B06 Modern Defense: Lizard Defense, Mittenberger Gambit 6-ply
- B06 Modern Defense: Modern Pterodactyl 6-ply
- B06 Modern Defense: Mongredien Defense, with Nc3 6-ply
- B06 Modern Defense: Standard Defense 6-ply
- B06 Modern Defense: Two Knights Variation, Suttles Variation 8-ply
- B06 Modern Defense: Pseudo-Austrian Attack 7-ply
- B06 Modern Defense: Two Knights Variation 7-ply
- B06 Pterodactyl Defense: Eastern, Anhanguera 7-ply
- B06 Pterodactyl Defense: Eastern, Benoni Pteranodon 10-ply
- B06 Pterodactyl Defense: Eastern, Rhamphorhynchus 7-ply
- B06 Pterodactyl Defense: Sicilian, Quetzalcoatlus 10-ply
- B06 Pterodactyl Defense: Sicilian, Siroccopteryx 9-ply
- B06 Suttles Variation, Tal Gambit 12-ply
- B06 Pterodactyl Defense: Eastern, Pteranodon 10-ply
- B06 Pterodactyl Defense: Eastern, Pterodactyl 8-ply