1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5
The Fried Liver Attack is a sharp attacking line for White in the Italian Game, arising after 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7. White sacrifices a knight on f7 to drag Black’s king into the open, then chases it with Qf3+ and rapid development. Unlike the quiet Giuoco Piano from the same Italian setup, this is a forcing, tactical weapon, and Black can only enter it by playing the dubious 5... Nxd5, which happens constantly at club level.
The position comes out of the Two Knights Defense: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6, and now 4. Ng5 attacks f7, the weakest square in Black’s camp, with knight and bishop together. Black’s only good reply is 4... d5, blocking the bishop’s diagonal; after 5. exd5 the true Fried Liver appears only if Black recaptures with 5... Nxd5, allowing 6. Nxf7. Theory’s main defense is 5... Na5 instead, and Black can also try the wild 4... Bc5 (the Traxler) or the faulty 4... Nxe4; a complete repertoire here means knowing White’s answer to all of them, which is exactly what this course drills.
1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7 Kxf7 7. Qf3+ Ke6
Black’s only way to keep the extra piece is to defend the d5-knight with the king itself. White continues 8. Nc3, piling on the pinned knight; the c4-bishop skewers it against the king on e6. Against the critical 8... Nb4, White castles and opens the center with d4, when every White piece joins the hunt while Black’s queenside sleeps. The attack is worth far more than the sacrificed knight.
1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7 Kxf7 7. Qf3+ Ke8 8. Bxd5
Retreating the king abandons the d5-knight, so White simply takes it back with 8. Bxd5 and emerges a clean pawn up with the better position. Black has lost castling rights and lags in development. The related 7... Kg8 is even worse: 8. Bxd5+ Qxd5 9. Qxd5+ Be6 10. Qxe6 is checkmate, because Black’s own pieces seal every escape square around g8.
1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3
Theory’s main defense: Black declines the d5-pawn and kicks the bishop instead, gambiting a pawn for fast development and open lines. White’s 8. Bd3 is the modern retreat, protecting e4-square ideas and preparing to consolidate the extra pawn. White’s plan is sober: return the bishop to safety, blunt Black’s initiative with accurate moves like h3 and Nc3 at the right moments, and grind the material edge in the endgame.
1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5 5. Bxf7+ Ke7 6. Bb3
Black ignores the threat to f7 and aims the bishop at f2, inviting madness after 5. Nxf7 Bxf2+. The disciplined answer is 5. Bxf7+: taking with the bishop keeps the position under control, since after 5... Ke7 White retreats and stands better with an extra pawn against Black’s displaced king. This is the safe, theory-approved way to defuse the Traxler rather than play Black’s game.
1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Nxe4 5. Bxf7+ Ke7 6. d4 h6 7. Nxe4 Kxf7 8. d5
Snapping off the e4-pawn looks natural but loses material by force. 5. Bxf7+ wrecks Black’s king position, and after 5... Ke7 the central break 6. d4 opens lines before Black can untangle. When Black finally evicts the g5-knight with ... h6, White recaptures on e4 and pushes d5, forking ideas against the c6-knight while Black’s king wanders the center.
If you defend the Two Knights as Black, the single most important rule is: do not play 5... Nxd5. Recapturing the pawn walks straight into 6. Nxf7, and theory regards the resulting attack as far too dangerous: your king gets marched to e6 to babysit a pinned knight while every White piece develops with threats. The respected defense is 5... Na5, the Polerio: you hit the c4-bishop, accept a pawn deficit after 6. Bb5+ c6 7. dxc6 bxc6, and get genuine compensation in the form of fast development, the bishop pair, and open lines against White’s only developed pieces. This is sound, established theory; strong players have defended Black’s side of it for centuries. If you prefer chaos, the Traxler Counterattack 4... Bc5 turns the tables and dares White to grab f7, though objectively White keeps an edge with the calm 5. Bxf7+. What you should not do is grab the e4-pawn with 4... Nxe4, which loses material to 5. Bxf7+. And if you would rather avoid the whole fight, choose 3... Bc5 instead of 3... Nf6; the Giuoco Piano sidesteps 4. Ng5 entirely. Whatever you pick, decide before the game: this is the one opening where finding the defense over the board, on move five, almost never goes well.
Attack f7 immediately with 4. Ng5 and force Black to make a decision under pressure. If Black allows the Fried Liver proper, sacrifice on f7, check on f3, and develop with Nc3, O-O and d4: every move adds an attacker against the exposed king before Black’s queenside can move. Against the Polerio, switch gears: keep the extra pawn, retreat the bishop to d3, neutralize Black’s activity, and convert in the endgame.
Meet 4. Ng5 with 4... d5, and after 5. exd5 play 5... Na5 rather than recapturing. Develop fast (... Bd6 or ... Bc5, ... O-O, rooks to the open b- and e-files) and use the initiative to justify the pawn. Target White’s lagging queenside development before White consolidates; if the position goes quiet with material still down, Black is losing the argument.
The Fried Liver is one of the oldest recorded attacking ideas in chess. Italian analysts studied the knight sacrifice on f7 in the late 16th and early 17th centuries, and Giulio Cesare Polerio, whose name the 5... Na5 defense still carries, examined these positions centuries before modern opening theory existed. The colorful name comes from the Italian "fegatello," a dish of liver, traditionally explained by the idea that Black’s king ends up as dead as a piece of fried liver. Despite its age, the line never went away: modern engines confirm that 5... Nxd5 really is a serious mistake and that White’s attack gives full value for the piece, which is why the Fried Liver remains one of the most feared weapons in club and online chess to this day.
Let's learn the Fried Liver Attack, one of the most dangerous openings in chess. An opening where you can potentially checkmate your opponent in 8 moves. It starts with pawn to e4.
Let's continue with knight f3.
Now develop our bishop to c4.
Black played knight f6, which means we can play the Fried Liver Attack. To start the attack, let's play knight g5, threatening the pawn on f7 with the bishop and knight.
This was Black's only way to stop capture on f7. Now let's capture on d5 with our e-pawn.
Black played the very natural recapture with the knight, but now they are in trouble. Here we detonate an explosive. Knight to f7. Kaboom.
Let's bring out the queen with check on f3. We are checking the king and have a double attack on the knight on d5.
Black moved their king, so now we can take their knight with bishop d5.
Well done! We have a dominant position against Black's exposed king. The computer puts our position at a +2 point advantage.
Black ran their king to g8, and now we have mate on the board. Bishop takes knight on d5.
Black is giving up their queen to delay the inevitable. Queen takes queen on d5.
Final capture, queen takes bishop on e6 checkmate.
That was best case for the Fried Liver Attack. But let's be real, most of our opponents won't play those awful moves LOL - so how do we win if black has other ideas?
Black has brought the king to defend the knight on d5. Let's put even more pressure on the d5 knight by developing our knight to c3.
Black added yet another defender to their knight, and is also threatening a fork on c2. Weirdly enough, we shouldn't get so worried about defending the pawn, and we should just castle.
This was literally Black's only move, adding another defender to the knight. Now pawn to d4, shattering the defenses in the center.
Black is attacking our rook in the corner, forgetting that all the action is happening in the center of the board. D-pawn takes e5.
Forget about our rook, let's add even more pressure to the center with other rook to d1, pinning the queen.
This is a crazy position. We are down 7 points of material, but our position is so crushing that the computer puts us at +9 point advantage.
Black is trying to bait us into playing knight takes f7. If we do, we're actually losing. Let's avoid this by taking f7 with our bishop.
Now we play pawn to d4, taking the center and baiting Black to take our knight. If they do, they lose their queen.
Black thinks they won a free pawn, in reality they are giving us time to escape our pieces. Let's play pawn to c3 attacking their knight.
Well done! Wherever black moves their knight, we will be able to escape or trade our pieces out of danger, leaving us with a +3 point positional advantage. White wins this position over 80% of the time.
Black took the bait, now we capture the knight back with bishop to g5, skewering the king against his own queen.
Now bishop to d8, winning the queen.
Well done! We are up a queen and have an easy win ahead of us.
Yes, when Black allows it. After 5... Nxd5 6. Nxf7, theory and modern engines agree White’s attack is worth more than the sacrificed knight. The catch is that Black can avoid it with 5... Na5, where White keeps an extra pawn but must know real theory instead of delivering an attack.
The Polerio Defense, 5... Na5, is the established answer: Black gambits a pawn for quick development and active pieces instead of recapturing on d5. Players who never want to face 4. Ng5 at all can play 3... Bc5, steering into the Giuoco Piano.
The name comes from the Italian "fegatello," a dish of liver: the traditional explanation is that Black’s king, dragged into the center by the knight sacrifice on f7, ends up as dead as a piece of fried liver. The line was analyzed by Italian masters as early as around 1600.
Black cannot really decline: 6. Nxf7 forks the queen on d8 and the rook on h8, so 6... Kxf7 is effectively forced. The real branching point comes earlier: Black avoids the whole attack by playing 5... Na5 instead of 5... Nxd5.
It is one of the most practical attacking weapons below master level. The mistake it punishes, 5... Nxd5, is extremely common, and the resulting positions teach development with tempo and king hunts. You also learn correct answers to the Traxler and 4... Nxe4, so nothing in the 4. Ng5 complex surprises you.
Reading about an opening is step one. The trainer at the top of this page drills all 15 lines against the moves real opponents play. The first lines are free.
Train the Fried Liver Attack now