London System: Poisoned Pawn Variation
1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Qb6 5. Nc3
5… c4+0.24
The position is roughly equal. Stockfish 18, depth 18.
Analyze this positionIn the London System: Poisoned Pawn Variation (D02), reached after 1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Qb6 5. Nc3, Stockfish 18 recommends 5… c4 for Black. The position is roughly equal (+0.24).
Top engine moves
- +0.245… c4 6. a4 Bd7 7. Rb1 e6 8. Be2 Bb4 9. O-O O-O 10. e4
- +0.255… a6 6. dxc5 Qxc5 7. Bd3 Nc6 8. h3 g6 9. Na4 Qa7 10. c4
- +0.535… Bd7 6. dxc5 Qxb2 7. Be5 Nc6 8. Rb1 Qa3 9. Qd2 Rc8 10. Rxb7
Frequently asked questions
What is the best move in the London System: Poisoned Pawn Variation?
After 1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Qb6 5. Nc3, Stockfish 18 at depth 18 recommends 5… c4 for Black, continuing 6. a4 Bd7 7. Rb1 e6 8. Be2 Bb4 9. O-O O-O 10. e4. The position is roughly equal (+0.24). The next best moves are 5… a6 (+0.25) and 5… Bd7 (+0.53).
Is the London System: Poisoned Pawn Variation a good opening?
Stockfish rates the position at +0.24: the position is roughly equal. 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 London System: Poisoned Pawn Variation?
D02. ECO codes classify chess openings from A00 to E99; D is the volume for closed and semi-closed games.
Opening names from the Lichess opening book (CC0). Pieces by Colin M.L. Burnett (GPLv2+).