E23

Carlsbad Variation, Nimzo-Indian

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2

Opening moves: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2. This position is classified under ECO code E23.

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About This Opening

ECO Code

E23

Category Volume E

Opening Family

Nimzo-Indian Defense

Position (FEN)

r1bqk2r/pp1p1ppp/2n1p3/2P5/1bP5/1QN2N2/PP1nPPPP/R3KB1R w KQkq - 0 8

Lichess Stats

Across 3 rapid and classical games on Lichess (1600+ rated), White wins 33%, Black wins 33%, and 33% end in a draw from this position. The most common continuation is Nxd2, played in 100% of games.

Observation period: 2026-07.

Small sample: 3 games. These percentages are descriptive and are too uncertain to compare opening strength.

33%

White wins 33% Draws 33% Black wins 33%

3 rapid and classical games on Lichess (1600+)

Top Continuations

Nxd2

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