King's Knight Opening: Bc5 — A Surprising Edge for White

After 1.e4 e5 2.Nf3 Bc5 3.Nxe5, Black has gambitted a pawn for rapid development and active piece play. However, the engine's +1.67 evaluation tells a clear story: Black hasn't got enough for the material. The critical thing to notice is that Black's best move, Nc6, immediately challenges your knight and recovers the pawn. But in practice, Black plays something else far more often. The most popular move, Qh4 (over 500,000 games), is actually an inaccuracy — it loses about 0.6 pawns of evaluation compared to Nc6. Black often tries to launch a quick attack on f2, but with accurate defence you can consolidate your extra pawn and reach a comfortable middlegame.

If Black does find the best move — Nc6 (the engine's top choice) — the recommended line runs Nc6 Nxc6 dxc6 c3. After 3.Nxe5 Nc6, you simply exchange knights: 4.Nxc6. Black recaptures 4...dxc6, and you play 5.c3. This quiet little pawn move is surprisingly effective: it prepares d4, gives your king a refuge on c2 if needed, and takes control of d4 to limit Black's bishop pair. You're a pawn up with a solid structure, while Black's bishops lack obvious targets. From here, develop naturally with d4, Be3, and Nd2, keeping your king safe.

Here is how White scores against Black's most-played moves from this position, based on over 2.6 million games: Qh4 (White scores 51.6%), Nf6 (53.9%), Bxf2+ (54.5%), d6 (53.9%), Qf6 (59.5%), and Qe7 (54.7%). Notice that White scores above 50% against every single one — including Bxf2+, which is actually a mistake costing roughly 2.0 pawns. The standout is Qf6: White wins nearly 60% of those games, likely because Black's queen becomes a target on f6. The key takeaway: no matter what Black throws at you, if you respond calmly, your extra pawn and the +1.67 evaluation mean you start with a major advantage.

Three of Black's common choices are marked as clear inaccuracies or mistakes. Qh4 is an inaccuracy (loses ~0.6 pawns) — Black threatens Qxe4+ but after you defend with Qe2 or g3, the queen becomes misplaced. Qf6 is another inaccuracy (loses ~0.9 pawns) — the queen steps onto a square where you can later gain time with tempo-gaining moves like d4 or Nc3. The biggest blunder is Bxf2+, a mistake costing about 2.0 pawns. After Kxf2, Black has lost a bishop for only a pawn, and your king is actually quite safe — you can tuck it on e1 or e3, and your material advantage will tell. Against all three, your job is simple: stay calm, don't panic, and convert the extra material.