ECO A42 · Modern Defense

Modern Defense: Averbakh Variation, Pseudo-Sämisch

1. d4 g6 2. c4 Bg7 3. e4 d6 4. Be3 Nf6 5. f3

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

5… c5+0.42

White is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Modern Defense: Averbakh Variation, Pseudo-Sämisch (A42), reached after 1. d4 g6 2. c4 Bg7 3. e4 d6 4. Be3 Nf6 5. f3, Stockfish 18 recommends 5… c5 for Black. White is slightly better (+0.42).

Top engine moves

  1. +0.425… c5 6. Nc3 O-O 7. dxc5 dxc5 8. Qxd8 Rxd8 9. Bxc5 Nc6 10. Be3
  2. +0.425… O-O 6. Nc3 c5 7. dxc5 dxc5 8. Qxd8 Rxd8 9. Bxc5 Nc6 10. Be3
  3. +0.525… a6 6. Nc3 O-O 7. Nge2 b5 8. cxb5 axb5 9. Nxb5 Ba6 10. Nbc3

Frequently asked questions

What is the best move in the Modern Defense: Averbakh Variation, Pseudo-Sämisch?
After 1. d4 g6 2. c4 Bg7 3. e4 d6 4. Be3 Nf6 5. f3, Stockfish 18 at depth 18 recommends 5… c5 for Black, continuing 6. Nc3 O-O 7. dxc5 dxc5 8. Qxd8 Rxd8 9. Bxc5 Nc6 10. Be3. White is slightly better (+0.42). The next best moves are 5… O-O (+0.42) and 5… a6 (+0.52).
Is the Modern Defense: Averbakh Variation, Pseudo-Sämisch a good opening?
Stockfish rates the position at +0.42: 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 Modern Defense: Averbakh Variation, Pseudo-Sämisch?
A42. ECO codes classify chess openings from A00 to E99; A is the volume for flank openings.

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