Fried Liver Attack

The Fried Liver Attack is a highly tactical and bold variation that can arise from the Two Knights Defense in the Italian Game with the following moves: 1.e4 (King’s Pawn Opening) e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Nxd5 6.Nxf7.

In this aggressive chess opening, white sacrifices a knight in the early stages of the game to set up a deadly mating attack. The earliest recorded instance of this line dates back to the 17th century, and its name is inspired by the Italian dish “Fegatelli”, which means ‘Fried Liver’ in English:”Fegatelli” is pork liver sliced up, wrapped in fat netting and cooked over a fire; likewise Black’s king is wrapped in White’s mating net.”

TL;DR: Fried Liver Attack in 30 Seconds

Short on time? Here is everything you need to know about the Fried Liver Attack before you study the full theory below.

• What it is: a knight sacrifice in the Italian Game (Two Knights Defense) that drags Black’s king into the open after 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Nxd5 6.Nxf7 Kxf7 7.Qf3+.
• Why play it: White scores around 53% and gets a fierce practical attack for the price of one piece, which makes it a deadly weapon at club level.
• Black’s only move in the main line: 7…Ke6, walking the king up to guard the pinned knight. Everything else loses material on the spot.
• How Black should really meet it: avoid the whole thing. Instead of 5…Nxd5, play 5…Na5 (the main defense) or the Fritz Variation with 5…Nd4, and the sacrifice never appears.
• Best for: attacking players who enjoy sharp, forcing lines and are willing to memorize a little theory.

Winning percentages on both sides

Video Tutorial: How to Play the Fried Liver Attack

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The video was just the start. Scroll down to study in-depth analysis, transpositions to middlegame, and expert tips for playing the Fried Liver Attack.

Key Ideas in Fried Liver Attack

As the winning percentages for white imply, the Fried Liver Attack is an aggressive choice of opening, which gives white a realistic edge with high practical chances. It is also usually easier to be on the attacking side than to be on the defensive, so if black were to allow the knight sacrifice, most of the players would be happy to go into this line with white pieces.

In the Fried Liver Attack, white step by step aims to build up a strong and quick attack on the light-squared color-complex using tactical motifs such as pin, discovered attack, and fork after drawing the black king into the center with a knight sacrifice on the f7-square. White’s main idea is to keep adding pressure on the a1-g8 diagonal. So, white will either try to recover the material or sometimes sacrifice even more material in order to exploit the vulnerability of black’s centralized king. The nature of battle is highly dynamic, often involving forced, concrete variations rather than positional plans and maneuvering. Black has no choice but to tenaciously defend the position with precise calculation in order to not lose on the stop.

How to Play the Fried Liver Attack: Step by Step

If you are learning the line for the first time, here is the move order broken down one step at a time. Knowing the idea behind each move matters far more than memorizing the sequence.

1. 1.e4 e5: both sides stake a claim in the center and open lines for the bishops.
2. 2.Nf3 Nc6: White attacks the e5-pawn, Black defends it.
3. 3.Bc4: the bishop takes aim at f7, Black’s most vulnerable square.
4. 3…Nf6: Black develops and hits the e4-pawn, entering the Two Knights Defense.
5. 4.Ng5: White doubles up on f7. Committal, but it sets the trap.
6. 4…d5: Black’s only good way to meet the threat, blocking the bishop’s diagonal.
7. 5.exd5: White grabs the pawn and keeps the pressure on f7.
8. 5…Nxd5: the greedy recapture that walks into the attack. Safer defenses are covered below.
9. 6.Nxf7: the Fried Liver sacrifice. White gives up the knight to expose the king.
10. 6…Kxf7 7.Qf3+: the king is dragged out and the queen joins with check, hitting the pinned knight on d5.

From here the play is concrete and forcing. White hunts the king on the light squares while Black scrambles to consolidate the extra piece. Keep reading for comprehensive explanation of each move.

Fried Liver Attack’s Theory

The position after 1.e4 e5 2.Nf3 Nc6 3.Bc4 (Italian Game) Nf6 (Two Knights Defense) 4.Ng5 d5 5.exd5 Nxd5 6.Nxf7 Kxf7 7.Qf3+ can be considered the main starting position of the Fried Liver Attack, where black has a couple of defensive moves to choose from. The only way for black to stay in the game is to defend the knight on d5 with 7…Ke6. Other options, such as blocking the check with 7…Qf6+ or moving out of the check with 7…Ke7 give white a significant advantage, but white still has to show good technique to convert it in those cases. Alternatively, after 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 black can try to deal with the pressure on f7 with the so-called Traxler Counter-Attack: 4…Bc5. The idea is to sacrifice the bishop on f2, in case white captures the f7-pawn with the knight, after which the e4 pawn will be undefended. Therefore, after 5.Nxf7 Bxf2 6.Kxf2 Nxe4+ black’s queen gets out of white’s knight attack easily with Qh4+ or Qf6+ and even plays for a win.

It is important to note that Black is not forced to go into the variation with Nxd5 that allows the Nxf7 knight sacrifice. In fact, black’s best reply is to make an exchange sacrifice by going into the line with 5…Na5 6.Bb5+ c6 7.dxc6 bxc6 8.Qf3 cxb5 9.Qxa8 Qc7, black has good compensation for the material. Another alternative would be to play 5…Nd4 6.c3 b5 7.Bf1 Nxd5 8.cxd4 Qg5, which is called the Fritz Variation and has its own complicated theory.

7…Ke6

The early attack with 1.e4 e5 2.Nf3 Nf6 3.Bc4 Nf6 4.Ng5 becomes only possible due to the fact that the knight on f6 is blocking the way of black’s queen to g5 square, which would not have been the case with 4…Bc5. After 4.Ng5, black’s only way to defend the f7-pawn is to block white’s bishop with 4…d5. After 5.exd5 Nxd5 white can sacrifice the knight on f7, 6.Nxf7 Kxf7, by relying on the move 7.Qf3+ which attacks the knight on d5 with a check. Since Nf6 is not possible due to the pin, 7…Ke6 is black’s best way to defend the knight. White then keeps attacking the pinned knight with 8.Nc3, which basically forces black to play 8….Ncb4 to defend the knight while also attacking the pawn on c2 at the same time.

White can either castle, 9.0-0, in order to bring the rook into the game as well, or defend the c2 pawn with 9.Bb3 first. The third option, 9.a3, with the idea to dislodge the knight from defending, is objectively rather unsound, as black can surprisingly defend with 9…Nxc2+ 10.Kd1 Nxa1 11.Nxd5 Qh4 12.Nxc7 (12.Nb6 Ke7 13.Nxa8 Bg4, pins, and wins the queen) Kd7 13.Qf7+ Qe7 14. Qxe7+ Bxe7 15. Nxa8 Kd6 and white’s knight are trapped in the corner.

9. 0-0

The idea behind 9.0-0 is not only to prevent black from capturing c2 with a check but also to bring the rook to e1, putting pressure on black’s king, which is stuck in the center. 9…c6 10.d4, white tries to quickly open up the e-file. With 10…Qf6 (10…exd4? 11.Re1+ Kd7 12.Bxd5 and white is crushing), black wants to exchange queens as they are up a material, but white would of course like to keep as many pieces as possible on the board, so 11.Qe2, pinning the e5 pawn as well. 11…Ke7, with the idea to bring the king to a safer square like d8. After 12.Ne4 Qg6 13.dxe5 Kd8, black has managed to find a relatively safer square for the king, but white still has practical compensation.

9.Bb3

White does not have to hurry with the attack, so protecting c2 with 9.Bb3 is another sensible option for white to eliminate any counterattacking chances for black. Now white is also threatening a3 to chase away black’s knight on b4. So, 9…c6 10.a3 Na6 11.Nxd5 cxd5 12.d4, to open up the center as quickly as possible, and c4 is also on the agenda. At this point, black should give up one more pawn to develop their pieces and consolidate their position with move like 12…Be7.

7…Qf6

After 7.Qf3+, Black may try to block the check with 7…Qf6 instead of defending the knight with 7….Ke6. But the knight on d5 is not defended by any piece, so white can simply capture it with either a bishop or queen. While in both cases, white is simply pawn up at the very least, capturing with 8.Bxd5 gives white much clearer advantage because after 8…Ke7 or 8…Ke8, white can simply ruin the pawn structure for black with 9.Bxc6 bxc6. White should still keep the queen on the board, as black’s king is still stuck in the center: 10.Qe2

Now white has not only a material advantage but also a better pawn structure for the endgame, as their attack continues. Black should therefore avoid 7….Qf6? altogether.

7…Ke7

7…Ke7 is not any better than 7…Qf6. White can simply capture the knight with 8.Bxd5, hitting c6 as well as threatening Qf7+, so after 8…Nd4 9.Qf7 Kd6 10.Na3, defending the c2 pawn as well as threatening Nc4+, black’s king will be in lots of trouble.

Traxler Countergambit: 4…Bc5

Black can seek counterplay with 4…Bc5 instead of trying to defend with 4…d5. The idea behind 4…Bc5 is that after 5.Nxf7, white’s pawn on e4 will be undefended, which enables the tactical sequence starting with the bishop sacrifice on f2: 5…Bxf2+. Example lines that show how things can go easily wrong for white would be: 6. Kxf2 Nxe4+ 7.Kf3 Qf6+ 8.Kxe4 Qf4+ 9.Kd5 Qd4# and 6.Kxf2 Nxe4+ 7.Kf1 Qh4 (7…Qf6+ 8.Qf3), threatening …Qf2#, 8.Qe1 Ng3 9. Qxg3 Qxc4+ 10. Ke1 Qxf7 and and Black has a material advantage as a pawn.

How to Defend Against the Fried Liver Attack

The best way to defend against the Fried Liver Attack is to never allow it in the first place. The sacrifice on f7 only exists because Black recaptures with 5…Nxd5. Decline that recapture and White’s knight on g5 has nothing to jump into, so the whole attack disappears. Below are the three most reliable ways for Black to sidestep the Fried Liver, in rough order of popularity.

5…Na5: The Main Line (Polerio Defense)

This is the modern main line and Black’s most respected defense. Instead of taking on d5, Black kicks the bishop and offers a pawn for fast development: 5…Na5 6.Bb5+ c6 7.dxc6 bxc6 8.Be2. White is a pawn up, but Black’s lead in development, open lines, and central pressure give real compensation. A typical continuation is 8…h6 9.Nf3 e4 10.Ne5 Bd6, when Black has an active, comfortable game despite the missing pawn. The retreat 8.Bd3 is also playable, but it leaves the bishop exposed to a later …Nd5-f4.

5…Nd4: The Fritz Variation

For players who want to dodge the heavy theory of 5…Na5, the Fritz Variation is an excellent surprise weapon: 5…Nd4 6.c3 b5 7.Bf1 Nxd5. Black temporarily gives up a piece to chase White’s bishop into a passive corner, then wins it back with interest. The key move to remember is 8.Ne4 Ne6, after which Black equalizes comfortably. The lines are forcing, so a little memorization pays off, but the positions are easier to handle than they look.

5…b5 – The Ulvestad Variation

The Ulvestad is the Fritz Variation’s lesser-known cousin: 5…b5 6.Bf1 Nd4, often transposing into similar tactical territory. It is rarer, which is exactly the point. If you enjoy taking opponents out of their preparation early, this is a sound way to do it. Black still aims to dismantle White’s grip on d5 and untangle with the extra space the pawn thrust provides.

What If You Already Allowed the Sacrifice?

If Black has already played 5…Nxd5 and been hit with 6.Nxf7, do not panic and do not resign. The position is unpleasant but not lost with accurate play. The single most important move is 7…Ke6: the king must march forward to defend the pinned knight, since retreating with 7…Ke7 or blocking with 7…Qf6 simply drops material. From there Black returns part of the extra material at the right moment, trades queens whenever possible, and tucks the king away on d7 or d8. The detailed lines are covered in the 7…Ke6 section above.

Black’s Defenses at a Glance

The takeaway is simple: if you face the Fried Liver as Black and you have done your homework, play 5…Na5 or the Fritz Variation and you will be fine. The attack is dangerous against the unprepared, which is exactly why knowing one clean defense is worth the small investment.

Master games with Fried Liver Attack

1. Mirsaleh Seyidli vs. Richard Stalmach, 2025

2. Kirill Alekseenko vs. Pranav Venkatesh, 2022

Pros and Cons of playing the Fried Liver Attack

Conclusion

In conclusion, the Fried Liver Attack is a highly tactical and exciting opening that can be both rewarding and risky for white. In order to be successful with the attack, white should demonstrate good conversion technique. Black should be cautious and avoid allowing this attack, as it can give white a clear advantage. However, if black can navigate the tricky lines and find the right defenses, they can not only thwart white’s attack but also gain an advantage of their own.

Written by

Deniz Tasdelen, FIDE-rated player

FIDE-rated player (ID 6305946) with 20+ years of competitive experience. Top-20 finish at the European Youth Championship, three-time 3rd at the Turkish Youth Championship, and competed at the World Youth and World Junior Championships. Defeated both Hikaru Nakamura and Fabiano Caruana at the FIDE Fischer Random World Championship — both games live-streamed by chess.com.

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FAQ’s

Why do they call it Fried Liver Attack?

The Fried Liver Attack, a provocative name in chess, originates from the Italian term “Fegatello Attack,” where “fegatello” means “small liver.” The name likely derives from the notion of the attacked king being akin to a piece of liver being cooked or fried by the aggressive tactics of the attacker.

Is Fried Liver Attack a good opening?

The Fried Liver Attack is considered a sharp and aggressive opening, well-suited for players who enjoy tactical battles and direct attacks. However, it’s often less favored at higher levels due to its risky nature and the well-prepared defenses that black can employ. Its effectiveness largely depends on the element of surprise and the opponent’s familiarity with the defense strategies.

Is Fried Liver Italian Game?

Yes, the Fried Liver Attack is a variation of the Italian Game. It arises after a sequence of specific moves that begin with the Italian Game’s opening moves. The Fried Liver is characterized by an early knight sacrifice by white, aiming to exploit weaknesses in black’s position, specifically targeting the f7-square.

What is the best defense against the Fried Liver Attack?

The best defense is to avoid the attack entirely by not recapturing on d5 with the knight. After 4…d5 5.exd5, the main line is 5…Na5, kicking White’s bishop and offering a pawn for active piece play. The Fritz Variation with 5…Nd4 is an equally sound, lower-theory alternative. Both stop the knight sacrifice on f7 from ever happening.

Is the Fried Liver Attack refuted?

Not exactly. After 5…Nxd5 6.Nxf7 White gets a strong practical attack and a slight objective edge, and Black is not lost with perfect defense. The reason strong players rarely allow it is that better fifth moves exist, chiefly 5…Na5 – so they simply choose a cleaner path. “Refuted” overstates it; “avoidable” is more accurate.

Can Black win against the Fried Liver Attack?

Yes. Black wins roughly 29% of games in this line, and with good preparation those chances climb. If White does not know the follow-up precisely, the piece Black wins early can become decisive. Defenses like the Fritz Variation and the Traxler Counter-Attack are built not just to survive but to seize the advantage.

What is the difference between the Fried Liver Attack and the Lolli Attack?

Both begin the same way, but instead of sacrificing the knight with 6.Nxf7, the Lolli Attack keeps the knight on g5 and plays 6.d4, building a slower, equally dangerous attack without giving up material. The Fried Liver is the immediate sacrifice; the Lolli is the patient cousin.