ECO E10 · Blumenfeld Countergambit

Blumenfeld Countergambit

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5

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White to move. The arrow shows Stockfish’s best move.
Best move

5. Bf4+0.52

White is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Blumenfeld Countergambit (E10), reached after 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5, Stockfish 18 recommends 5. Bf4 for White. White is slightly better (+0.52).

Top engine moves

  1. +0.525. Bf4 b4 6. a3 Bb7 7. e4 Nxe4 8. Bd3 Bd6 9. Be3 f5
  2. +0.455. dxe6 fxe6 6. cxb5 d5 7. e4 Nxe4 8. Bd3 Be7 9. Nc3 Nf6
  3. +0.445. Bg5 exd5 6. cxd5 h6 7. Bxf6 Qxf6 8. Qc2 d6 9. e4 a6

All Blumenfeld Countergambit variations (2)

Frequently asked questions

What is the best move in the Blumenfeld Countergambit?
After 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5, Stockfish 18 at depth 18 recommends 5. Bf4 for White, continuing b4 6. a3 Bb7 7. e4 Nxe4 8. Bd3 Bd6 9. Be3 f5. White is slightly better (+0.52). The next best moves are 5. dxe6 (+0.45) and 5. Bg5 (+0.44).
Is the Blumenfeld Countergambit a good opening?
Stockfish rates the position at +0.52: white is slightly better. Evaluations this early in the game are small, so practical results depend far more on knowing the plans and typical structures than on the engine's number.
What is the ECO code of the Blumenfeld Countergambit?
E10. ECO codes classify chess openings from A00 to E99; E is the volume for indian defenses.

Opening names from the Lichess opening book (CC0). Pieces by Colin M.L. Burnett (GPLv2+).