Nimzowitsch Defense B00
B — Semi-open games · Family: Nimzowitsch Defense
1. e4 Nc6
The Nimzowitsch Defense is catalogued under the ECO code B00. Its main line runs 1. e4 Nc6.
After 2 half-moves the diagrammed position is reached and it is White to move. Material is balanced.
This encyclopedia records 43 variations inside the “Nimzowitsch Defense” family — compare the branching lines in the tree below.
Play through the moves on the board above, explore the variations tree below — click any move of any branch — then test yourself against the engine from the position you picked.
- Position after 2 half-moves — White to move.
- Material is balanced.
- Family “Nimzowitsch Defense” contains 43 recorded variation(s) here.
Variations tree of the Nimzowitsch Defense family
Click any move to jump to that position; switch branches at any point with the alternative moves. Test your knowledge plays the shown position against the engine.
Variations of this family
| Name | ECO | Main line length |
|---|---|---|
| Nimzowitsch Defense | B00 | 3 plies |
| Nimzowitsch Defense: Breyer Variation | B00 | 6 plies |
| Nimzowitsch Defense: Colorado Countergambit | B00 | 4 plies |
| Nimzowitsch Defense: Colorado Countergambit Accepted | B00 | 5 plies |
| Nimzowitsch Defense: Declined Variation | B00 | 3 plies |
| Nimzowitsch Defense: El Columpio Defense | B00 | 6 plies |
| Nimzowitsch Defense: El Columpio Defense, El Columpio Gambit | B00 | 11 plies |
| Nimzowitsch Defense: El Columpio Defense, Exchange Variation | B00 | 11 plies |
| Nimzowitsch Defense: El Columpio Defense, Pin Variation | B00 | 11 plies |
| Nimzowitsch Defense: Franco-Nimzowitsch Variation | B00 | 4 plies |
| Nimzowitsch Defense: French Connection | B00 | 4 plies |
| Nimzowitsch Defense: Hornung Gambit | B00 | 5 plies |
Related puzzles
Lichess tactics played in this opening — solve them right on the board:
Related openings
Nearby ECO codes in the B — Semi-open games volume — compare the move orders: