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Accelerated London System, Steinitz Countergambit: c3 — Playing Black
After 1.d4 d5 2.Bf4 c5 3.c3 Nc6, you've reached a lively offshoot of the London System. The Accelerated London System with the Steinitz Countergambit is anything but quiet: you've already challenged White's centre before developing your kingside pieces. The engine evaluates this position at -0.04, which means the chances are perfectly balanced — neither side has an edge yet. With over 337,000 games in the database, White scores 49.2% and Black scores 46.9%, confirming just how razor-thin the margin is. Your task now is to handle White's most common replies and steer the game toward a middlegame where your activity matters most.
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The central tension in this position is all about the d4- and d5-pawns. White played 2.Bf4 to pressure your queenside and avoid early symmetry, and 3.c3 reinforced the d4-pawn while preparing to develop the queen's knight to d2. By playing 3...Nc6, you attack d4 yourself and keep the pressure on. If White ever captures on d5 or you capture on d4, the centre opens and your pieces gain scope. Your main goal is to complete development (Nf6, e6, Bb4 or Be7, 0-0) while maintaining the tension as long as possible. The statistics show that White's most popular move here is 4.e3 (over 208,000 games), a quiet developing move that keeps the centre closed. Against that, you simply continue with ...Nf6 and ...e6, preparing to recapture on d5 with a pawn if needed. Your compensation for any space concessions is rapid development and active piece play.
The Engine's Preferred Path
Stockfish's top recommendation for White is 4.Nf3, followed by 4...Nf6 5.dxc5 e6. After this sequence, the position remains roughly equal. Why does the engine like this? By playing 4.Nf3, White develops a piece and keeps the option of capturing on c5 later. After you reply 4...Nf6, White takes on c5 with 5.dxc5, temporarily surrendering the centre to grab a pawn. In return, you play 5...e6, preparing to recapture on c5 with your bishop (after ...Bxc5) and establishing a strong pawn centre with ...d4 ideas later. The engine's continuation shows that this line leads to a balanced game where both sides have chances. Your plan from there is straightforward: get the king to safety, control the d5-square, and use your central majority to create play.
What the Numbers Tell Us
The Lichess database of 337,159 games reveals some surprising truths. First, White's winning percentage barely changes between 4.e3 (49.6%) and 4.Nf3 (49.5%) — both are solid moves that keep the game close to dead equal. But look at what happens when White tries to be greedy: 4.dxc5 appears in nearly 10,000 games but White scores only 41.3%. The engine calls this a mistake costing about 1.3 pawns. Why? After 4.dxc5 e5, Black gets a powerful centre and active piece play that more than compensates for the pawn. Similarly, 4.Nd2 (5,378 games, White scores 45.0%) is also a mistake, losing roughly 1.1 pawns. The knight on d2 blocks the bishop and does nothing for the centre. And 4.a3 (2,351 games, 49.6% for White) is labelled an inaccuracy, costing about 0.8 pawns — it prevents ...Bb4 but wastes a tempo. The lesson is clear: trust the main moves (4.e3 and 4.Nf3) and punish the inferior ones.
Punishing White's Mistakes
If your opponent plays 4.dxc5, you should respond with 4...e5 immediately. This central push gives you a strong pawn duo on d5 and e5, and your pieces can develop rapidly to challenge White's position. The statistics show this is a clear mistake from White — your winning chances jump noticeably. Against 4.Nd2, your best plan is still ...Nf6 and ...e6, followed by ...Bxc5 if White captures on c5. The knight on d2 is clumsily placed and blocks White's dark-squared bishop, making your ...Bb4 ideas more potent. If you see 4.a3, treat it as a free tempo — develop normally with ...Nf6 and ...e6, and you'll reach a comfortable position where White's extra move has achieved nothing. Remember: the most common mistake in this position is White grabbing the pawn on c5 too early or developing awkwardly. Stay patient, develop your pieces, and the position will reward you.
Results across 337,159 Lichess games
| Most-played continuation | Games | White wins |
|---|---|---|
| e3 | 208,718 | 49.6% |
| Nf3 | 103,822 | 49.5% |
| dxc5 | 9,948 | 41.3% |
| Nd2 | 5,378 | 45.0% |
| a3 | 2,351 | 49.6% |
| h3 | 1,929 | 46.2% |
Frequently asked questions
What is the Steinitz Countergambit in the Accelerated London System?
The Steinitz Countergambit arises after 1.d4 d5 2.Bf4 c5 3.c3 Nc6. It's called a countergambit because Black immediately challenges White's centre with ...c5, and the move 3...Nc6 increases the pressure on d4. Black isn't offering a real pawn sacrifice — the name reflects the aggressive, counterattacking spirit that Wilhelm Steinitz championed.
Is the Accelerated London System good for Black?
Yes, this line is perfectly fine for Black. The engine evaluates the position after 3...Nc6 at -0.04, which is essentially dead equal. The database of over 337,000 games supports this: White wins 49.2%, Black wins 46.9%, and draws are rare at just 3.9%. You're not fighting for equality — you already have it.
What are the best moves for White after 3...Nc6?
White's two best moves are 4.e3 (over 208,000 games, White scores 49.6%) and 4.Nf3 (over 103,000 games, White scores 49.5%). Both are solid and keep the game balanced. Moves like 4.dxc5 and 4.Nd2 are mistakes that give Black an edge, while 4.a3 is an inaccuracy. Against any of these, you should develop naturally and seize the initiative.
Should I capture on d4 as Black in the Steinitz Countergambit?
Not immediately. In most lines, you keep the tension. If White plays 4.e3 or 4.Nf3, your best plan is ...Nf6 and ...e6, keeping the central pawns locked. You only need to capture if White takes on c5 or if the position specifically demands it. Prematurely releasing the tension with ...cxd4 gives White a comfortable game after cxd4.
How many games feature the Queen's Pawn Game: Accelerated London System, Steinitz Countergambit: c3?
Over 337K Lichess games have reached the Queen's Pawn Game: Accelerated London System, Steinitz Countergambit: c3 position. White wins 49.2%, Black wins 46.9%, with 3.9% draws — based on real rated games.