Scandinavian Defense: Mieses-Kotroc Variation: 3.c4 — How to Play as Black

By playing 3...Qe4+, you accomplish two things at once. First, you prevent White from safely developing their knight to c3 (the natural square after 3.c4), because your queen would capture it. Second, you force White to block the check with a piece — and that piece will have to move again later, costing a tempo. This is the heart of the variation: you accept that your queen will be chased around for a move or two, but in return you disrupt White's development and keep the centre under pressure. If White handles it casually, you can emerge with a comfortable game and even a lasting plus.

Stockfish's top choice is 4.Ne2, which blocks the check with the knight from g1. The engine's continuation runs 4.Ne2 Qxc4 5.d4 Nf6 — Black grabs the loose c4 pawn, White stakes a claim in the centre, and Black develops naturally. After 5...Nf6, Black has a pawn for the gambit (though you are down one pawn), active pieces, and the better development. The engine sees this as favouring Black. If White plays something else, you should still aim to capture on c4 and follow up with ...Nf6, ...Bf5 or ...Bg4, and early castling. Your queen is exposed on c4, so be ready to retreat it to a safe square like a6 or b5 if White attacks it.

Across 143,099 games from this exact position, the results are almost dead even: White wins 48.7%, draws 4.5%, Black wins 46.8%. That close split hides the fact that Black scores well despite being the second player — a good sign for this opening's practical chances. The most popular White move is 4.Qe2 (74,580 games), where White immediately offers a queen trade. That may seem harmless, but White scores only 47.4% after it — which means Black is doing fine. The second-most popular is 4.Be2 (37,163 games, White scores 49.8%), also quite playable for Black. The engine's top choice, 4.Ne2 (31,356 games), gives White its highest score at 50.6% — yet even there Black wins 46.1% of the time. In short, no White reply crushes you; all three main options leave Black with real winning chances.

The biggest trap is forgetting that your queen on e4 is a target. Beginners sometimes get greedy and try to keep the queen on e4 after White blocks, only to lose time when White chases it with tempo moves like Nc3, d3, or Be3. Another mistake: after capturing on c4 (say after 4.Ne2 Qxc4), some players neglect development and play ...Qc6 or ...Qb5 too early, delaying ...Nf6 and ...Bf5. That lets White seize the centre with d4 and d5. Stick to the engine's plan: grab the pawn, then develop your kingside pieces and castle quickly. Your queen will find a safe home later.

When White plays 4.Qe2, they offer a queen trade to neutralise your activity. You should almost always accept: 4...Qxe2+ 5.Bxe2. After that, the position is a normal queenless middlegame where Black's structure is fine. White's bishop on e2 is passively placed, and you can develop freely with ...Nf6, ...Bf5, ...Nc6, and ...0-0-0 or ...0-0. The statistics back this up — White scores only 47.4% from here, which is below average for White. Don't be afraid of the queen trade; the resulting endgame is comfortable for Black and you still have that small engine edge.