King’s Knight Opening

MICOS Opening Group C06.KN – King’s Knight Opening begins with 1.e4 e5 2.Nf3. White develops the king’s knight to an active square, immediately attacks Black’s e5-pawn and prepares for rapid development and kingside castling. The opening follows classical principles by combining piece development with pressure on the centre while keeping several possibilities available for White’s next move.

The King’s Knight Opening provides the starting position for many important openings, including the Ruy Lopez, Italian Game and Scotch Game, depending on the exact move order that follows. It can lead to both strategic and tactical positions and forms an important foundation for understanding Open Games. Use the searchable table below to find openings by opening name, chess notation or MICOS code and train individual openings interactively with MICOS CAP.

Search by Opening Name, Chess Notation or MICOS Code. MICOS classifies each opening by its exact move order.

Opening Name	Chess Notation	MICOS Code	MICOS CAP
King's Knight Opening	1.e4 e5 2.Nf3	C06.001.KN
Busch-Gass Gambit	1.e4 e5 2.Nf3 Bc5	C06.002.KN	Explore ▶
Busch-Gass Gambit: Chiodini Gambit	1.e4 e5 2.Nf3 Bc5 3.Nxe5 Nc6	C06.003.KN	Explore ▶
Jalalabad Defence	1.e4 e5 2.Nf3 c5	C06.004.KN	Explore ▶
Gunderam Gambit	1.e4 e5 2.Nf3 c6	C06.005.KN	Explore ▶
Elephant Gambit	1.e4 e5 2.Nf3 d5	C06.006.KN	Explore ▶
Elephant Gambit: Maroczy Gambit	1.e4 e5 2.Nf3 d5 3.exd5 Bd6	C06.007.KN	Explore ▶
Elephant Gambit: Paulsen Counter-Gambit	1.e4 e5 2.Nf3 d5 3.exd5 e4	C06.008.KN	Explore ▶
Elephant Gambit: Wasp Defence	1.e4 e5 2.Nf3 d5 3.Nxe5 dxe4 4.Bc4 Qg5	C06.009.KN	Explore ▶
Latvian Gambit	1.e4 e5 2.Nf3 f5	C06.010.KN	Explore ▶
Latvian Gambit: Senechaud Gambit	1.e4 e5 2.Nf3 f5 3.b4	C06.011.KN	Explore ▶
Latvian Gambit: Mayet Attack	1.e4 e5 2.Nf3 f5 3.Bc4	C06.012.KN	Explore ▶
Latvian Gambit: Mayet Attack - Strautins Gambit	1.e4 e5 2.Nf3 f5 3.Bc4 b5	C06.013.KN	Explore ▶
Latvian Gambit: Mayet Attack - Polerio-Svedenborg Defence	1.e4 e5 2.Nf3 f5 3.Bc4 fxe4 4.Nxe5 d5	C06.014.KN	Explore ▶
Latvian Gambit: Corkscrew Counter-Gambit	1.e4 e5 2.Nf3 f5 3.Bc4 fxe4 4.Nxe5 Nf6	C06.015.KN	Explore ▶
Latvian Gambit: Mayet Attack - Poisoned Pawn Defence	1.e4 e5 2.Nf3 f5 3.Bc4 fxe4 4.Nxe5 Qg5 5.d4 Qxg2	C06.016.KN	Explore ▶
Latvian Gambit: Duke of Courland	1.e4 e5 2.Nf3 f5 3.Bc4 fxe4 4.Nxe5 Qg5 5.d4 Qxg2 6.Qh5 g6 7.Bf7+ Kd8 8.Bxg6 Qxh1+	C06.017.KN	Explore ▶
Latvian Gambit: Behting Defence	1.e4 e5 2.Nf3 f5 3.Bc4 fxe4 4.Nxe5 Qg5 5.Nf7 Qxg2 6.Rf1 d5 7.Nxh8 Nf6	C06.018.KN	Explore ▶
Latvian Gambit: Mayet Attack - Morgado Defence	1.e4 e5 2.Nf3 f5 3.Bc4 Nf6	C06.019.KN	Explore ▶
Latvian Gambit: Diepstraten Counter-Gambit	1.e4 e5 2.Nf3 f5 3.c4	C06.020.KN	Explore ▶
Latvian Gambit: Clam Gambit	1.e4 e5 2.Nf3 f5 3.d3 Nc6 4.exf5	C06.021.KN	Explore ▶
Latvian Gambit: Mason Counter-Gambit	1.e4 e5 2.Nf3 f5 3.d4	C06.022.KN	Explore ▶
Latvian Gambit: 3.exf5	1.e4 e5 2.Nf3 f5 3.exf5	C06.023.KN	Explore ▶
Latvian Gambit: Lobster Gambit	1.e4 e5 2.Nf3 f5 3.g4	C06.024.KN	Explore ▶
Latvian Gambit: Mlotkowski Attack	1.e4 e5 2.Nf3 f5 3.Nc3	C06.025.KN	Explore ▶
Latvian Gambit Accepted: 3.Nxe5	1.e4 e5 2.Nf3 f5 3.Nxe5	C06.026.KN	Explore ▶
Latvian Gambit Accepted: Fraser Defence	1.e4 e5 2.Nf3 f5 3.Nxe5 Nc6	C06.027.KN	Explore ▶
Latvian Gambit Accepted: Corkscrew Gambit	1.e4 e5 2.Nf3 f5 3.Nxe5 Nf6 4.Bc4 fxe4 5.Nf7 Qe7 6.Nxh8 d5	C06.028.KN	Explore ▶
Latvian Gambit Accepted: Greco Defence	1.e4 e5 2.Nf3 f5 3.Nxe5 Qe7	C06.029.KN	Explore ▶
Latvian Gambit Accepted: 4.d4	1.e4 e5 2.Nf3 f5 3.Nxe5 Qf6 4.d4	C06.030.KN	Explore ▶
Latvian Gambit Accepted: Bilguer Attack	1.e4 e5 2.Nf3 f5 3.Nxe5 Qf6 4.d4 d6 5.Nc4	C06.031.KN	Explore ▶
Latvian Gambit Accepted: Bronstein Attack	1.e4 e5 2.Nf3 f5 3.Nxe5 Qf6 4.d4 d6 5.Nc4 fxe4 6.Be2	C06.032.KN	Explore ▶
Latvian Gambit Accepted: Nimzowitsch Attack	1.e4 e5 2.Nf3 f5 3.Nxe5 Qf6 4.d4 d6 5.Nc4 fxe4 6.Ne3	C06.033.KN	Explore ▶
Latvian Gambit Accepted: Bronstein Gambit	1.e4 e5 2.Nf3 f5 3.Nxe5 Qf6 4.d4 d6 5.Nc4 fxe4 6.Qh5+ g6 7.Qe2	C06.034.KN	Explore ▶
Latvian Gambit Accepted: Foltys-Leonhardt Attack	1.e4 e5 2.Nf3 f5 3.Nxe5 Qf6 4.Nc4	C06.035.KN	Explore ▶
Latvian Gambit Accepted: Foltys Attack	1.e4 e5 2.Nf3 f5 3.Nxe5 Qf6 4.Nc4 fxe4 5.d3	C06.036.KN	Explore ▶
Latvian Gambit Accepted: Leonhardt Attack	1.e4 e5 2.Nf3 f5 3.Nxe5 Qf6 4.Nc4 fxe4 5.Nc3	C06.037.KN	Explore ▶
Damiano Defence	1.e4 e5 2.Nf3 f6	C06.038.KN	Explore ▶
Damiano Defence: Damiano Gambit	1.e4 e5 2.Nf3 f6 3.Nxe5 fxe5 4.Qh5+ g6 5.Qxe5+ Qe7 6.Qxh8	C06.039.KN	Explore ▶
Damiano Defence: Damiano Gambit - Chigorin Gambit	1.e4 e5 2.Nf3 f6 3.Nxe5 Qe7 4.Nf3 d5	C06.040.KN	Explore ▶
King's Knight Opening: Normal Line	1.e4 e5 2.Nf3 Nc6	C06.041.KN	Explore ▶
Paschman Wing-Gambit	1.e4 e5 2.Nf3 Nc6 3.b4	C06.042.KN	Explore ▶
Taylor Opening	1.e4 e5 2.Nf3 Nc6 3.Be2	C06.043.KN	Explore ▶
Taylor Opening: Inverted Hanham Attack	1.e4 e5 2.Nf3 Nc6 3.Be2 Nf6 4.d3 d5 5.Nbd2	C06.044.KN	Explore ▶
Taylor Opening: 4.d4	1.e4 e5 2.Nf3 Nc6 3.Be2 Nf6 4.d4	C06.045.KN	Explore ▶
Taylor Opening: Basman Gambit	1.e4 e5 2.Nf3 Nc6 3.Be2 Nf6 4.d4 exd4 5.e5	C06.046.KN	Explore ▶
Dresden Opening	1.e4 e5 2.Nf3 Nc6 3.c4	C06.047.KN	Explore ▶
Dresden Opening: The Goblin Attack	1.e4 e5 2.Nf3 Nc6 3.c4 Nf6 4.Nxe5	C06.048.KN	Explore ▶
Konstantinopolsky Opening	1.e4 e5 2.Nf3 Nc6 3.g3	C06.049.KN	Explore ▶
Irish Gambit	1.e4 e5 2.Nf3 Nc6 3.Nxe5	C06.050.KN	Explore ▶
Schulze Muller Gambit	1.e4 e5 2.Nf3 Nc6 3.Nxe5 Nxe5 4.d4	C06.051.KN	Explore ▶
Gunderam Defence	1.e4 e5 2.Nf3 Qe7	C06.052.KN	Explore ▶
Gunderam Defence: Gunderam Gambit	1.e4 e5 2.Nf3 Qe7 3.Bc4 f5	C06.053.KN	Explore ▶
McConnell Defence	1.e4 e5 2.Nf3 Qf6	C06.054.KN	Explore ▶
La Bourdonnais Gambit	1.e4 e5 2.Nf3 Qf6 3.Bc4 Qg6 4.0-0	C06.055.KN	Explore ▶

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