Tree path 5 levels King's Pawn Game › Nimzowitsch Defense › Declined Variation › Nimzowitsch Defense: Colorado Countergambit › Nimzowitsch Defense: Colorado Countergambit Accepted
- Caissa Codex
- King's Pawn Game B00
- Nimzowitsch Defense B00
- Declined Variation B00
- Nimzowitsch Defense: Colorado Countergambit B00
- Nimzowitsch Defense: Colorado Countergambit Accepted B00 you are here
Nimzowitsch Defense: Colorado Countergambit Accepted
Overview
Nimzowitsch Defense: Colorado Countergambit Accepted belongs to the gambit family of chess openings (ECO B00, Semi-Open Games). It trades material for attacking chances — a classic trade-off that has fascinated players from the Romantic era to modern correspondence chess.
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 Nc6 2. Nf3 f5 3. exf5.
The line refines Nimzowitsch Defense: Colorado Countergambit, which traces back to the root opening King's Pawn Game.
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
- 5
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
516,754 games · White 46.6% / Draw 4.2% / Black 49.2%
| Moves | Games | W / D / B |
|---|---|---|
| d5 | 478,785 | |
| Nf6 | 18,894 | |
| d6 | 13,642 | |
| Nh6 | 3,827 | |
| e5 | 641 | |
| e6 | 286 | |
| g6 | 175 | |
| b6 | 166 |
Source: Lichess Opening Explorer · cached 2026-09-26 01:05:38
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