King's Knight Opening
What is the King's Knight Opening?
The King's Knight Opening is a chess opening that begins with 1. e4 e5 2. Nf3. It is classified under ECO C40–C44 and has 3 named variations. White chooses it with the move Nf3.
Moves: 1. e4 e5 2. Nf3
ECO: C40–C44
Chosen by: White
Main variations
1. e4 e5 2. Nf3 Nc6
1. e4 e5 2. Nf3 Nc6 3. g3
All 3 variations
| ECO | Variation | Moves |
|---|---|---|
| C40 | Main line | 1. e4 e5 2. Nf3 |
| C44 | Normal Variation | 1. e4 e5 2. Nf3 Nc6 |
| C44 | Konstantinopolsky | 1. e4 e5 2. Nf3 Nc6 3. g3 |
How to learn an opening
Learn the ideas before the moves: where the pieces go, which pawn breaks matter and what the typical middlegame plans are. Then play it, and after each game look up the point where you or your opponent left the known moves. MentoChess shows that point automatically for every game you import.
Opening lessons: Three golden opening rules · Scholar’s mate and how to stop it · Italian Game: plans, not just moves · Answering 1.d4: the Queen’s Gambit Declined · Meeting the Sicilian with 2.c3 · From moves to structures