Chessy
The Blackburne Shilling Gambit: c3 — Your Guide from Black's Side
If you enjoy sharp, aggressive play that gives your opponent a chance to stumble early, the Blackburne Shilling Gambit: c3 is for you. After 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nd4, White's most common reply is 4.c3 — attacking your knight and asking what you're up to. You answer with the central point of the gambit: 4...Nxf3+, removing the defender of the e4 pawn. The position after 5.Qxf3 is where the real fight begins, and the statistics across over 843,000 games show you have serious winning chances if you know what to do next. Let's break down exactly what to look for.
Play the Blackburne Shilling Gambit: c3 against the engine
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Ready to try it? Start with 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nd4 4.c3 Nxf3+ and see what your opponent does. If they play Qxf3, continue with Nf6 and d6. If they play g-
Create a free account →What You're Fighting For — The Big Idea
By playing 4...Nxf3+, you're not blundering — you're offering a pawn for activity. White has three reasonable ways to recapture, and how they recapture tells you everything about the kind of game you'll get. If they take back with the queen (5.Qxf3), the position is balanced and tense: you've lost a tempo but you're about to win the e4 pawn. If they take with the g-pawn (5.gxf3), you've damaged White's kingside structure and you're simply better. And if White tries something like 5.Kf1 or 5.Ke2? Those are outright blunders that cost White roughly 4.4 to 4.7 pawns in evaluation — a dream scenario for you. Your job is to punish the mistakes and navigate the main line with confidence.
The Engine's Verdict — Honest but Playable
Stockfish evaluates the position after 4...Nxf3+ at +0.58, a small edge for White. That means you are slightly worse from a purely computer perspective. But don't let that number spook you. In practical play across 843,009 Lichess games, White wins 52.1%, draws happen just 4.5% of the time, and you win 43.4% as Black. That is a very playable result for a gambit — nearly half the games end in your favour. The computer edge is real but small, and many White players misplay the resulting positions. Your winning chances are much higher than a pure +0.58 suggests, especially if you understand the key follow-up.
The Main Line — What to Do After 5.Qxf3
In over 828,000 games, White plays 5.Qxf3 — by far the most common move (White scores 52.3% from there). The engine's best continuation is Qxf3 Nf6 d4 d6. That means after 5.Qxf3, your best reply is 5...Nf6, developing a piece and attacking the e4 pawn. White's typical response is 6.d4, and you answer with 6...d6, solidifying your centre and preparing to develop. You will eventually recapture on e4 with your knight or bishop, and the game becomes a standard Italian Game with an extra tempo for development. The key is not to rush — you've already sacrificed, so keep your pieces active.
The Dream Scenario — Punishing White's Blunders
If White does not recapture with the queen, you are likely in a winning position. The move 5.gxf3 has been played in 13,934 games and White scores only 42.6% — meaning you are favourite. More exciting is when White tries 5.Kf1 or 5.Ke2. These king moves are blunders that lose roughly 4.4 to 4.7 pawns in evaluation. In the incredibly small sample of 56 games with 5.Kf1, White scores only 7.1%; with 5.Ke2 across 51 games, White scores just 13.7%. After either move, your queen is extremely powerful and you can quickly develop with threats. The moral of the story: some opponents panic against the knight sacrifice. When they do, make them pay.
Results across 843,009 Lichess games
| Most-played continuation | Games | White wins |
|---|---|---|
| Qxf3 | 828,968 | 52.3% |
| gxf3 | 13,934 | 42.6% |
| Kf1 | 56 | 7.1% |
| Ke2 | 51 | 13.7% |
Frequently asked questions
Is the Blackburne Shilling Gambit: c3 sound for Black?
It is a practical, aggressive gambit. Stockfish evaluates it as +0.58, slightly better for White, but in practice Black wins 43.4% of games across 843,000 examples. You are giving up a tiny theoretical edge for unbalanced, tactical play where many opponents go wrong.
What should I play if White takes with 5.gxf3?
White's kingside pawn structure is damaged and you are already a pawn up. Simply develop your pieces (Nf6, d6, Bc5) and you will be better. Your king safety is fine and White's g-pawn weakness will be a long-term problem.
How do I refute 5.Kf1 or 5.Ke2?
Both are blunders. After 5.Kf1 or 5.Ke2, your queen has immediate threats. You can play Qh4+ or Qh4 with a devastating attack. The engine says White loses roughly 4.4 to 4.7 pawns in these lines, and the statistics confirm it — White scores under 14%.
Is there any danger in playing 4...Nxf3+?
If White knows the theory and plays 5.Qxf3, the position is only slightly in their favour. The biggest risk is that you are gambling on your opponent not being booked up. But even in the main line, you get comfortable development and a playable middlegame.