ECO B06 · Modern Defense

Modern Defense: Two Knights Variation, Suttles Variation

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d6

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

5. a4+0.58

White is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Modern Defense: Two Knights Variation, Suttles Variation (B06), reached after 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d6, Stockfish 18 recommends 5. a4 for White. White is slightly better (+0.58).

Top engine moves

  1. +0.585. a4 Nf6 6. Be2 O-O 7. Be3 Ng4 8. Bg5 d5 9. O-O dxe4
  2. +0.565. Be2 Nf6 6. a4 O-O 7. O-O Qc7 8. h3 Nbd7 9. Be3 e5
  3. +0.565. Be3 Nf6 6. a4 O-O 7. Be2 Ng4 8. Bg5 d5 9. O-O dxe4

Variations

Frequently asked questions

What is the best move in the Modern Defense: Two Knights Variation, Suttles Variation?
After 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d6, Stockfish 18 at depth 18 recommends 5. a4 for White, continuing Nf6 6. Be2 O-O 7. Be3 Ng4 8. Bg5 d5 9. O-O dxe4. White is slightly better (+0.58). The next best moves are 5. Be2 (+0.56) and 5. Be3 (+0.56).
Is the Modern Defense: Two Knights Variation, Suttles Variation a good opening?
Stockfish rates the position at +0.58: 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: Two Knights Variation, Suttles Variation?
B06. ECO codes classify chess openings from A00 to E99; B is the volume for semi-open games (other than the French).

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