Chessy
Italian Game: Two Knights Defense c3 — Black Seizes the Moment
Right out of a calm Italian Game, White plays the quiet 4.c3 — and you hit back hard with 4...Nxe4. This is no desperate pawn grab; statistics across nearly 430,000 games show Black winning more than half the time (51.4%) while only 3.2% of games end in a draw. Stockfish agrees: the engine rates the position -0.74, a clear edge for Black. That means you are clearly better here. The trick is knowing how to follow up after White's most common responses — and which replies from White are actually mistakes you can punish. Jump into the interactive drill below to practise the critical lines.
Play the Italian Game: Two Knights Defense: c3 against the engine
Free, no signup — you play black, the engine adapts to your level.
The interactive drill below puts you in the Black seat against an adapting engine. Practise punishing White's inaccuracies and cementing your advantage — no new
Create a free account →Why 4...Nxe4 Works
At first glance, snatching the e4 pawn with the knight looks risky — White's c3-pawn already prepares d2-d4, kicking your knight while opening lines. But the Two Knights Defense c3 is a well-tested counter. The knight on e4 is surprisingly hard to dislodge because it's backed by the queen and the ...d5 break. In fact, White's most natural-looking move, 5.d4, is actually an inaccuracy that loses about 0.7 pawns of advantage. The engine's top choice is 5.O-O, calmly castling rather than trying to punish you immediately. Your task is to weather that calm response and keep the pressure.
The Engine’s Top Move: 5.O-O
If White plays 5.O-O, the engine's best reply is 5...d5, immediately striking in the centre. After 6.Bb5 Bd6, both sides have active pieces and Black's extra pawn is still intact. From here, the game opens up but your long-term compensation is real — the d5 pawn gives you space and the bishop pair is ready to go. You don't need to force a quick win; the statistics show Black already scores 51.4% overall, so solid development and staying alert to White's threats will serve you well. In the drill below, the engine adapts to your play, so you can explore this exact line at your own pace.
Three White Mistakes to Exploit
White has several tempting options in this position, but three of the most popular ones are actually inaccuracies that give you an even bigger edge. Punish them confidently: - 5.d4 (the most-played reply, 128,728 games): This costs White about 0.7 pawns. Take the space and develop with ...d5. - 5.Qe2 (54,397 games): Defending the knight on e4, but it loses ~0.6 pawns. You can retreat the knight or play ...d5 anyway. - 5.Qb3 (31,515 games): Attacking f7, but it's the worst of the three, losing ~0.8 pawns. Stay calm, defend f7, and you'll be winning. Each of these moves scores under 47% for White in practice. When you face them, you know you've already won the opening battle.
What the Numbers Tell You
The raw stats from 429,903 games tell a clear story: - Black wins 51.4% of games, versus White's 45.4%. Draws are rare at 3.2%. - Even the best White move, 5.O-O, still only scores 47.7% for White — below average for a first-move advantage. - Every other popular move scores even worse for White, with 5.d3 (82,426 games) giving White just 43.8%. The takeaway? This variation is a reliable weapon for Black at nearly every level. You're not hoping for a trap — you're playing a sound, statistically proven line that puts the pressure on White from move four.
Results across 429,903 Lichess games
| Most-played continuation | Games | White wins |
|---|---|---|
| d4 | 128,728 | 44.8% |
| O-O | 92,116 | 47.7% |
| d3 | 82,426 | 43.8% |
| Qe2 | 54,397 | 46.6% |
| Qb3 | 31,515 | 48.5% |
| Bxf7+ | 16,439 | 43.6% |
Frequently asked questions
Is 4...Nxe4 a sound move or just a trap?
It is completely sound. Over 429,000 games show Black scoring 51.4%, and Stockfish gives Black a clear edge (-0.74). White's best continuation, 5.O-O, still leaves Black with active play and an extra pawn.
How should I respond if White plays 5.d4?
5.d4 is an inaccuracy that loses about 0.7 pawns of advantage for White. You should play ...d5 yourself, opening the centre while your knight remains a nuisance. The statistics show White scores only 44.8% from this position.
What is White's best move after 4...Nxe4?
The engine recommends 5.O-O, and even then White only scores 47.7%. After 5...d5 6.Bb5 Bd6, the position remains complex but Black is doing well with a solid central foothold.
Can Black keep the extra pawn long-term?
In many lines Black holds onto the pawn for a while, but the real edge comes from the active piece play and central control, not just the material. The engine gives Black a lasting advantage regardless of whether you keep the pawn.