Chessy
Semi-Tarrasch Defense: Bf4 — A Dead-Level Battle from Move 5
The Semi-Tarrasch Defense is a solid, classical response to 1.d4, and the Bf4 variation leads to a balanced fight right out of the gate. After 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.Bf4, you've already set a trap: the natural-looking recapture with the queen is a mistake. Your immediate task is straightforward — trade pawns on d4 and decide how White will respond. The engine calls this position dead level, and the stats back it up: across over thirty thousand games, Black actually outscores White 48.4% to 47.4%. Let's see how to keep it that way.
Play the Semi-Tarrasch Defense: Bf4 against the engine
Free, no signup — you play black, the engine adapts to your level.
Ready to test your Semi-Tarrasch skills? Head to the analysis board and practice meeting Nxd4 with Nbd7, or capitalise if White blunders with Qxd4, Nb5, or e3.
Create a free account →What You're Fighting For
In the Semi-Tarrasch, Black aims for a clean, open game without the heavy theoretical load of the mainline Queen's Gambit Declined. After 5.Bf4 cxd4, you've challenged White's centre early and forced decision time. Your pawn on d5, your knight on f6, and your potential to develop quickly to c6 or d7 give you a healthy share of the central space. White has several ways to recapture the pawn, but as you'll see, only one is truly good. The position is so balanced that Stockfish evaluates it at -0.20 — a tiny tick in Black's favour that is practically insignificant. In plain terms: you are not worse here. If you know how to handle White's most common reply, you can steer the game toward a comfortable middlegame.
The Engine's Best Continuation
White's strongest move by far is Nxd4, played in over 24,000 games. After that, the engine recommends Nbd7, Qa4, and then Bc5 for Black. That line develops your pieces naturally: the knight on d7 supports the pawn on e5 and f6, while Bc5 puts pressure on the white kingside and eyes the f2 square. Your plan from there is straightforward — castle kingside, connect your rooks, and keep the centre dynamic. White scores just 48.4% from this line, so there is no reason to feel squeezed. Just remember to meet Nxd4 with Nbd7, not d5xe4 or some other capture.
The Mistake to Punish
This is where the Semi-Tarrasch Bf4 really shines for Black. White's second-most popular move, Qxd4, is a concrete mistake — it loses about 1.4 pawns in evaluation. By recapturing with the queen, White puts the queen on a vulnerable square where Black can gain time with tempo-gaining moves like Nc6, chasing the queen away before Black has even finished development. The third-most popular move, Nb5, is also a mistake (losing about 1.1 pawns). Nb5 is a knight jump that looks aggressive but lacks support — Black can reply with Na6 or simply develop with Nc6, threatening to trap the knight. And if White plays e3, that is a full blunder: it loses roughly 5.0 pawns, because after 6...dxc3, White is down a piece for nothing. Your job is simple — spot these weaker replies and hit back immediately.
What the Statistics Reveal
The numbers tell a clear story: trust the engine's recommendation. The top choice Nxd4 gives White their best chances (48.4% score). Every other option drops White's results noticeably — Qxd4 (44.3%), Nb5 (43.0%), e3 (28.7%), and cxd5 (a miserable 23.3%). That last one, cxd5, is rarely played but disastrous: after 5...cxd4 6.cxd5, Black can recapture with the knight on f6 or even play Qxd5, emerging with a strong centre and easy development. In practice, White's mistakes are your opportunities. Over 48% of games end in a Black win at this exact position — the highest win rate of the three outcomes. That means if you play accurately, you are the one pressing.
Results across 30,404 Lichess games
| Most-played continuation | Games | White wins |
|---|---|---|
| Nxd4 | 24,605 | 48.4% |
| Qxd4 | 4,450 | 44.3% |
| Nb5 | 985 | 43.0% |
| e3 | 178 | 28.7% |
| cxd5 | 73 | 23.3% |
| Bxb8 | 38 | 52.6% |
Frequently asked questions
Is the Semi-Tarrasch Defense good for Black?
Yes, it is a solid and reliable opening for Black against 1.d4. After 5.Bf4 cxd4, the position is dead level according to the engine, and in practice Black scores slightly better than White (48.4% to 47.4%) across thousands of games.
What is the best move after 5.Bf4?
The correct move is 5...cxd4. You take the pawn and force White to recapture. White's best response is Nxd4, after which the engine recommends Nbd7 followed by Qa4 and Bc5 for Black. Avoid letting White recapture with the queen — that is a mistake for them.
What happens if White plays Qxd4 in the Semi-Tarrasch Bf4?
That is a mistake for White, losing about 1.4 pawns in evaluation. After Qxd4, Black can play Nc6, attacking the queen with tempo, and quickly develop with a comfortable advantage. White's queen becomes a target on d4.
How should I respond to White playing e3 in this position?
If White plays e3 after 5...cxd4, that is a blunder — it loses roughly 5.0 pawns. You should capture the pawn on d4 with your knight (or via dxc3 after ...dxc3), leaving White down material with no compensation. e3 is rarely played (only 178 games) for good reason.