How to Play the King's Knight Opening: Konstantinopolsky
After 1.e4 e5 2.Nf3 Nc6 3.g3, you reach a position that stays remarkably balanced. Stockfish rates it -0.23, a tiny edge for Black, so there is no reason to panic — but there is also no automatic attack for White. This drill helps you learn the calm, flexible way to handle the setup, recognise Black’s main replies, and punish the few common moves that drift off course.
Play the King's Knight Opening: Konstantinopolsky against the engine
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Create a free account →What this opening is really asking you to do
The King's Knight Opening: Konstantinopolsky keeps White’s position compact and flexible. Your g-pawn move supports a fianchetto, and your knight is already out early, so the opening is about steady development rather than forcing tactics. In a line this quiet, good habits matter more than memorising tricks: finish development, keep your king safe, and be ready to adapt to what Black chooses. The position is objectively close to equal, so the practical test is whether you can handle a normal middlegame without losing time or coordination.
What the numbers say
Across 1,462,951 games at this exact position, White wins 46.1%, draws 4.2%, and Black wins 49.6%. That lines up with the engine assessment: -0.23 is a tiny edge for Black, which means you are essentially level but slightly on the back foot. In other words, this is not a refutation of your opening choice, but it does ask you to play accurately. If you like playable structures and do not mind a quiet start, this is still a perfectly reasonable place to learn.
Black’s main reply and the engine’s answer
The engine’s best move here is Nf6, and the listed continuation is Nf6 d3 d5 exd5. That is a useful clue for your drill: Black is often aiming for straightforward central play, not a wild sideline. The most-played continuation is also Nf6, so you should expect it often, and Bc5 is another common branch to know. Your goal is not to memorise every branch, but to stay calm when Black develops naturally and to keep your setup consistent.
Common mistakes to punish
Two moves in this position are marked as inaccuracies: f5 and h6. Both are the kind of moves that look active but can waste time or weaken the kingside without enough justification. The database says f5 loses about 0.8 pawns and h6 loses about 0.9 pawns, with d5 given as the better choice in both cases. In practical terms, if Black pushes too early on the wing, you should be ready to meet it with solid development and pressure in the centre.
Results across 1,462,951 Lichess games
| Most-played continuation | Games | White wins |
|---|---|---|
| Nf6 | 655,066 | 45.7% |
| Bc5 | 402,299 | 44.9% |
| d6 | 170,432 | 48.5% |
| d5 | 70,747 | 43.6% |
| f5 | 25,017 | 44.6% |
| h6 | 24,516 | 47.5% |
Frequently asked questions
Is the King's Knight Opening: Konstantinopolsky good for White?
It is playable, but not an opening where White gets a clear advantage from the starting position given here. The engine rates the position -0.23, so Black has a very small edge. If you want a calm, flexible opening and are happy to play accurately, it can still work well.
What is the best move for Black in this position?
The engine’s best move is Nf6. The listed continuation is Nf6 d3 d5 exd5, which shows Black aiming for direct central play. In your drill, learn to expect that kind of sensible development first.
What replies do players choose most often?
The most-played continuation is Nf6, and Bc5 is also very common. After that come d6, d5, f5, and h6. Knowing these moves helps you prepare for the practical choices you will face most often.
Which mistakes should I look out for as Black?
The known mistakes here are f5 and h6. Both are marked as inaccuracies, and d5 is given as the better move in each case. If Black plays either one, you should look for the chance to stay solid and make the position easier to handle.
How many games feature the King's Knight Opening: Konstantinopolsky?
Over 1 million Lichess games have reached the King's Knight Opening: Konstantinopolsky position. White wins 46.1%, Black wins 49.6%, with 4.2% draws — based on real rated games.