ECO B01 · Scandinavian Defense

Scandinavian Defense: Anderssen Counterattack, Collijn Variation

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e5 5. Nf3 Bg4

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

6. Bc4+1.41

White is clearly better. Stockfish 18, depth 18.

Analyze this position

In the Scandinavian Defense: Anderssen Counterattack, Collijn Variation (B01), reached after 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e5 5. Nf3 Bg4, Stockfish 18 recommends 6. Bc4 for White. White is clearly better (+1.41).

Top engine moves

  1. +1.416. Bc4 Nc6 7. Bxf7+ Kxf7 8. Ng5+ Ke8 9. Qxg4 exd4 10. O-O Nge7
  2. +0.906. Be2 Nc6 7. O-O Bxf3 8. Bxf3 Nxd4 9. Bxb7 Rd8 10. Be3 Be7
  3. +0.786. Bb5+ c6 7. Be2 Bxf3 8. Bxf3 Nf6 9. O-O Nbd7 10. d5 Rc8

Frequently asked questions

What is the best move in the Scandinavian Defense: Anderssen Counterattack, Collijn Variation?
After 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e5 5. Nf3 Bg4, Stockfish 18 at depth 18 recommends 6. Bc4 for White, continuing Nc6 7. Bxf7+ Kxf7 8. Ng5+ Ke8 9. Qxg4 exd4 10. O-O Nge7. White is clearly better (+1.41). The next best moves are 6. Be2 (+0.90) and 6. Bb5+ (+0.78).
Is the Scandinavian Defense: Anderssen Counterattack, Collijn Variation a good opening?
Stockfish rates the position at +1.41: white is clearly 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 Scandinavian Defense: Anderssen Counterattack, Collijn Variation?
B01. 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+).