Italian Game: Two Knights Defense
ECO C55, C58 · 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
The Two Knights Defense, 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6, counterattacks e4 instead of developing the bishop. It is sharp and principled, and it leads to some of the most tactical lines of the open games.
Plans for White
The critical 4.Ng5 attacks f7 at once; after 4...d5 5.exd5 Black must choose carefully. 4.d4 opens the center, and 4.d3 leads to slow Giuoco Pianissimo-like play.
Plans for Black
Against 4.Ng5, 4...d5 5.exd5 Na5 sacrifices a pawn for development, while 4...Bc5 (Traxler) counterattacks f2. Against 4.d4 Black can play 4...exd4 and later ...d5.
Typical pawn structures
Varies: open positions after 4.Ng5 or 4.d4, closed Pianissimo structures after 4.d3.
Who it suits
Tactically confident players who want active play against the Italian and are willing to sacrifice a pawn for development.
Common traps
The Fried Liver Attack after 5...Nxd5? 6.Nxf7! is the most famous danger; Black should know 5...Na5. In the Traxler, White's greedy Nxf7 runs into ...Bxf2+.
Variations
- Italian Game: Two Knights Defense, Fried Liver Attack — 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7
- Italian Game: Two Knights Defense, Polerio Defense — 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5
- Italian Game: Two Knights Defense, Max Lange Attack — 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. O-O Bc5 6. e5
- Italian Game: Two Knights Defense, Traxler Counterattack — 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5
- Italian Game: Two Knights Defense, Knight Attack — 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5
- Italian Game: Two Knights Defense, Ulvestad Variation — 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 b5
- Italian Game: Two Knights Defense, Modern Bishop's Opening — 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3
- Italian Game: Two Knights Defense, Open Variation — 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4
- Italian Game: Two Knights Defense, Ponziani-Steinitz Gambit — 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Nxe4
- Italian Game: Two Knights Defense, Perreux Variation — 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. Ng5
- Italian Game: Two Knights Defense, Fritz Variation — 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nd4
- Italian Game: Two Knights Defense, Kloss Gambit — 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nb4
- Italian Game: Two Knights Defense, Lolli Attack — 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. d4
- Italian Game: Two Knights Defense, Traxler Variation, Trencianske-Teplice Gambit — 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5 5. Bxf7+ Ke7 6. d4
- Italian Game: Two Knights Defense, Pincus Variation — 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. d4 Bb4+
- Italian Game: Two Knights Defense, Fritz, Gruber Variation — 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nd4 6. c3 b5 7. Bf1 Nxd5 8. Ne4
- Italian Game: Two Knights Defense, Blackburne Variation — 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 cxb5
- Italian Game: Two Knights Defense, Colman Variation — 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 Rb8
- Italian Game: Two Knights Defense, Paoli Variation — 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 Qc7 9. Bd3
- Italian Game: Two Knights Defense, Steinitz Variation — 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nh3
- Italian Game: Two Knights Defense, Keidansky Variation — 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bc5 8. Nxc6 Bxf2+ 9. Kf1 Qh4
- Italian Game: Two Knights Defense, Maróczy Variation — 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. d3 h6 7. Nf3 e4 8. Qe2 Nxc4 9. dxc4 Be7
- Italian Game: Two Knights Defense, Fegatello Attack, Leonhardt Variation — 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7 Kxf7 7. Qf3+ Ke6 8. Nc3 Nb4 9. Qe4 c6 10. a3 Na6 11. d4 Nc7
- Italian Game: Two Knights Defense, Knorre Variation — 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nf3 e4 10. Ne5 Bd6 11. d4 Qc7 12. Bd2
- Italian Game: Two Knights Defense, Yurdansky Attack — 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. O-O Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qa5 9. Nxe4 Be6 10. Bg5 h6 11. Bh4 g5 12. Nf6+ Ke7 13. b4
Related variations
- Italian Game: Giuoco Piano
- Italian Game: Evans Gambit
- Italian Game: Hungarian Defense
- Italian Game: Classical Variation
- Italian Game: Giuoco Pianissimo
- Italian Game: Evans Gambit Declined
- Italian Game: Scotch Gambit
- Italian Game: Anti-Fried Liver Defense
- Italian Game: Blackburne-Kostić Gambit
- Italian Game: Paris Defense
- Italian Game: Rousseau Gambit
- Italian Game: Jerome Gambit
- Italian Game: Rosentreter Gambit
- Italian Game: Evans Gambit Accepted
- Italian Game: Scotch Invitation Declined
- Italian Game: Bird's Attack
- Italian Game: Deutz Gambit