Queen's Pawn Game: Accelerated London System, Steinitz Countergambit – Nf3

The Steinitz Countergambit is a practical choice: you give White a small central space advantage in exchange for rapid piece play and a lead in development. After 3...cxd4, White's pawn on d4 is isolated and vulnerable. If White recaptures carelessly, you get active squares for your pieces and pressure against the centre. The statistics back this up — Black wins 49.3% of games from this position, a higher win rate than White. The engine's +0.20 evaluation is the closest thing to a perfect equilibrium you'll see in a sharp opening line. This isn't a gambit where you're desperately hoping for a blunder; it's a fully sound, principled way to unbalance the game from move three.

White's best move here is 4.c3, a clever pawn sacrifice aiming for quick central control after 4...dxc3 5.Nxc3 e6. Black comes out of this line with a solid pawn structure and comfortable development. But here's the key statistic: 4.c3 has been played only 1,054 out of 145,205 games — a tiny fraction of the time. The vast majority of opponents will choose something worse. When White avoids 4.c3, you're already out of the danger zone. Against the most popular moves, Black scores above 50% in every case except one (4.Bxb8, which is rare). The practical verdict is clear: you're the one who should be happy leaving the opening.

The most common move in the database is 4.Nxd4, played 99,759 times — far more than any other response. Yet the engine flags it as an inaccuracy that loses roughly 0.7 pawns. White recaptures the pawn with the knight, but this allows 4...e5, kicking the bishop and gaining space. The position becomes extremely comfortable for Black with active pieces and a target on White's d4-knight. The second most popular reply, 4.Qxd4, is also an inaccuracy (losing about 0.8 pawns). The queen is exposed on d4 and can be chased with 4...e5 immediately. Even 4.e3 — a natural developing move — is flagged as a mistake that loses about 1.2 pawns. White's best path is 4.c3, but most opponents don't know it. Your job is simple: when White grabs the pawn, push e5 and seize the initiative.

Here's what to expect based on the most-played continuations. Remember, your response is always aimed at rapid development and central pressure. Against 4.Nxd4 (99,759 games, White scores 47.5%): play 4...e5, attacking the knight and driving it back. White's score drops below 50% here — you're already doing better. Against 4.Qxd4 (38,357 games, White scores 45.8%): Black can play 4...e5, chasing the queen, or develop a piece with tempo. White scores even worse here. Against 4.e3 (2,812 games, White scores 42.2%): White's worst-performing move. Black simply develops with 4...e6 and keeps an extra pawn with no compensation for White. Against 4.Bxb8 (2,218 games, White scores 50.0%): The only move that keeps parity. Black recaptures on b8 with a solid position, then develops naturally. Against 4.Nbd2 (299 games, White scores 40.1%): White's rarest and worst-scoring option among the main replies. Black keeps the extra pawn and develops. In every case, you're either equal or better.