Tree path 4 levels King's Pawn Game › Nimzowitsch Defense › Nimzowitsch Defense › Neo-Mongoloid Defense
- Chess Codex
- King's Pawn Game B00
- Nimzowitsch Defense B00
- Nimzowitsch Defense B00
- Neo-Mongoloid Defense B00 you are here
Nimzowitsch Defense: Neo-Mongoloid Defense
Overview
Nimzowitsch Defense: Neo-Mongoloid Defense is a named branch in the Semi-Open Games group of chess theory, classified under ECO B00.
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 4 plies of play, with the move sequence 1. e4 Nc6 2. d4 f6.
In the opening tree, this line branches off from Nimzowitsch Defense, part of the broader King's Pawn Game 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
- B00
- Group
- Semi-Open Games (B)
- Plies
- 4
- Parent
- Nimzowitsch Defense
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
18,828 games · White 61.4% / Draw 3.4% / Black 35.2%
| Moves | Games | W / D / B |
|---|---|---|
| d5 | 5,803 | |
| Nf3 | 5,088 | |
| Nc3 | 1,399 | |
| c4 | 1,347 | |
| f4 | 1,287 | |
| Bc4 | 962 | |
| c3 | 938 | |
| Be3 | 561 |
Source: Lichess Opening Explorer · cached 2026-09-26 00:58:21
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Submissions are reviewed before publishing.