Tree path 3 levels King's Pawn Game › Nimzowitsch Defense › Nimzowitsch Defense
- Chess Codex
- King's Pawn Game B00
- Nimzowitsch Defense B00
- Nimzowitsch Defense B00 you are here
Nimzowitsch Defense
Overview
Nimzowitsch Defense is a specific line in the Semi-Open Games family (ECO B00), arising from a recognised theoretical position.
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.
The line arises from 3 plies — specifically the moves 1. e4 Nc6 2. d4.
The line refines Nimzowitsch Defense, which traces back to the root opening King's Pawn Game.
The line splits into 5 documented sub-systems: Kennedy Variation, Mikenas Variation, Neo-Mongoloid Defense, and others.
Together the deeper variations number 28 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
- B00
- Group
- Semi-Open Games (B)
- Plies
- 3
- Parent
- Nimzowitsch Defense
- Direct variations
- 5
- Total in subtree
- 28
This overview is generated automatically from the opening's metadata. Know this line well? Write a description — submissions are reviewed before publishing.
Statistics from Lichess
8,050,533 games · White 48.0% / Draw 4.2% / Black 47.8%
| Moves | Games | W / D / B |
|---|---|---|
| e5 | 3,409,896 | |
| d5 | 2,937,955 | |
| e6 | 789,631 | |
| d6 | 397,601 | |
| Nf6 | 201,960 | |
| g6 | 99,479 | |
| b6 | 87,988 | |
| f5 | 37,620 |
Source: Lichess Opening Explorer · cached 2026-09-26 00:51:37
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Variations (5)
Show all 28 sub-variations (full subtree)
- B00 Kennedy Variation 4-ply
- B00 Mikenas Variation 4-ply
- B00 Neo-Mongoloid Defense 4-ply
- B00 Scandinavian Variation 4-ply
- B00 Woodchuck Variation 4-ply
- B00 Nimzowitsch Defense: Hornung Gambit 5-ply
- B00 Bielefelder Gambit 6-ply
- B00 de Smet Gambit 6-ply
- B00 Hammer Gambit 6-ply
- B00 Herford Gambit 6-ply
- B00 Keres Attack 7-ply
- B00 Linksspringer Variation 5-ply
- B00 Main Line 8-ply
- B00 Paulsen Attack 7-ply
- B00 Riemann Defense 8-ply
- B00 Aachen Gambit 6-ply
- B00 Advance Variation 5-ply
- B00 Bogoljubow Variation 5-ply
- B00 Exchange Variation 6-ply
- B00 Nimzowitsch Defense: Scandinavian Variation, Bogoljubow Variation 6-ply
- B00 Brandics Gambit 6-ply
- B00 Erben Gambit 6-ply
- B00 Heinola-Deppe Gambit 6-ply
- B00 Vehre Variation 6-ply
- B00 Marshall Gambit 7-ply
- B00 Van Geet Opening: Berlin Gambit 7-ply
- B00 Nimzowitsch Defense: Scandinavian Variation, Bogoljubow Variation, Nimzowitsch Gambit 8-ply
- B00 Nimzowitsch Defense: Scandinavian Variation, Bogoljubow Variation, Richter Gambit 9-ply