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Tree path 5 levels King's Pawn Game › Nimzowitsch Defense › Declined Variation › Nimzowitsch Defense: Colorado Countergambit › Nimzowitsch Defense: Colorado Countergambit Accepted
  1. Chess Codex
  2. King's Pawn Game B00
  3. Nimzowitsch Defense B00
  4. Declined Variation B00
  5. Nimzowitsch Defense: Colorado Countergambit B00
  6. Nimzowitsch Defense: Colorado Countergambit Accepted B00 you are here
B00

Nimzowitsch Defense: Colorado Countergambit Accepted

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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
Parent
Nimzowitsch Defense: Colorado Countergambit

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