Blumenfeld Countergambit

Blumenfeld Countergambit is a chess opening with the ECO code E10. It goes 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5. White opens with 1. d4 (the queen's pawn) and Black answers 1... Nf6. After 8 moves it is White to move. The lesson on the board explains every move of the line and lets you play it yourself; it is free.

The moves

• 1. d4 – White plays the pawn to d4
• 1... Nf6 – Black plays the knight to f6
• 2. c4 – White plays the pawn to c4
• 2... e6 – Black plays the pawn to e6
• 3. Nf3 – White plays the knight to f3
• 3... c5 – Black plays the pawn to c5
• 4. d5 – White plays the pawn to d5
• 4... b5 – Black plays the pawn to b5

Related openings

• It extends: Indian Defense: Anti-Nimzo-Indian (1. d4 Nf6 2. c4 e6 3. Nf3)
• Continues with: Blumenfeld Countergambit Accepted – adds 5. dxe6 fxe6 6. cxb5 d5
• Continues with: Blumenfeld Countergambit: Duz-Khotimirsky Variation – adds 5. Bg5
• Related line: Blumenfeld Countergambit: Duz-Khotimirsky Variation (1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. Bg5)
• Related line: Blumenfeld Countergambit: Spielmann Variation (1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. Bg5 exd5 6. cxd5 h6)

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