ECO code: B00
Nimzowitsch Defense: Colorado Countergambit
Moves: 1. e4 Nc6 2. Nf3 f5
This opening is a rare and aggressive variation of the Nimzowitsch Defense. Black immediately challenges White’s central control and seeks active counterplay on the kingside with the pawn thrust ...f5 on move two. The move ...f5 is characteristic for its countergambit nature, aiming to undermine White’s e4 pawn and open lines for rapid development and attack.
From Black’s perspective, this opening is clearly attacking, as Black aims to contest the center early and create dynamic play. For White, the position demands careful handling since Black’s pawn sacrifice can lead to sharp tactical battles. White, meanwhile, typically retains a central presence initially but must be ready to respond to Black’s aggressive intentions.
Regarding the center, this opening directly challenges it. Black’s ...f5 move is designed to attack White’s central pawn on e4 and disrupt White’s central dominance rather than passively defending. Thus, the Colorado Countergambit is an attacking opening that fights for the center from the very beginning.
This opening is defined by the position shown on the board below. The moves displayed are a typical sequence that leads to it, but different sequences can reach the same position and still carry the same opening name.
Practice puzzles and train your tactics with real positions from games that used the Nimzowitsch Defense: Colorado Countergambit, and sharpen your opening mastery.
Puzzle 1 of 21 - Move #5 black