Blumenfeld Countergambit

1.
1. d4
2. Nf6
2.
3. c4
4. e6
3.
5. Nf3
6. c5
4.
7. d5
8. b5

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The Blumenfeld Countergambit is a chess opening classified under ECO code E10 (Indian defences). Step through the moves on the board above, then play the line yourself or review it with the built-in engine.