Scandinavian Defense: Blackburne Gambit with 4.Nc3

By sacrificing the pawn on c6, Black gets rapid development and central control in return. After the opening moves (1.e4 d5 2.exd5 c6 3.dxc6 Nxc6 4.Nc3 a6), your position has no weaknesses, your knights and bishops are ready to spring into action, and White cannot simply hold on to the extra pawn comfortably. Your typical plan involves developing the light-squared bishop to b7 or f5, putting pressure on the centre, and often generating play on the queenside with moves like ...b5 or ...Bb7 followed by ...e6. While Stockfish does assign an edge of +0.89 for White (meaning you stand clearly worse from a pure engine perspective), the human reality is far more forgiving — in practice, the position is razor-sharp and Black's active piece play can make life very uncomfortable for a less experienced opponent.

The most principled response for White is 5.Nf3, occurring in over 15,600 games. This natural developing move prepares kingside castling and keeps options open. After 5.Nf3, the engine's intended continuation is Bf5, when White typically replies 6.Bc4 e6. In that line, your setup is clean: you develop actively, control the e4 square, and prepare to castle kingside. Your bishop on f5 is well placed outside the pawn chain. The alternative 5.Bc4 is also popular (nearly 3,000 games) and yields similar scores for White (49.0%). Against either move, Black's priorities remain the same: complete development, keep the centre fluid, and look for counterplay. The statistics show Black scores almost equally against 5.Nf3 (White gets 48.7%) and 5.Bc4 (White gets 49.0%), so neither should intimidate you.

Of all the moves White can play here, the most tempting — 5.d4 — is actually the worst. According to the engine, 5.d4 is an inaccuracy that loses roughly 0.6 pawns compared to the best move 5.Nf3. The reason is simple: White's centre becomes overextended and Black can immediately punish it with moves like ...Bf5 or ...Bg4, putting pressure on the d4 pawn and accelerating Black's development. But be careful: even though 5.d4 is bad for White, you still need to respond accurately to capitalise — don't just grab material at the cost of activity. The database shows 5.d4 scores just 51.0% for White, which is actually worse than the

Looking at 25,659 games in the Lichess database, the outlook for Black is surprisingly good. White wins 48.3%, Black wins 48.0%, and only 3.7% of games end in draws. This is a classic pattern for an unbalanced opening: the draw rate is very low because both sides have clear winning plans and the position rarely fizzles into a peaceful endgame. For a club player, this is exactly the kind of opening to study — you get full winning chances with Black, you sidestep mountains of mainstream theory, and the positions that arise are rich in instructive middlegame themes. If you know your plans better than your opponent does, you will outscore White in practice.