Final position — White delivers mate
Dutch: Knight Mate
White wins in 9 moves by checkmate. (Krongraf - Monsehr, Postal 1989)
The moves
| 1. | d4 | f5 |
| 2. | e4 | fxe4 |
| 3. | Nc3 | Nf6 |
| 4. | Bg5 | h6 |
| 5. | Bxf6 | exf6 |
| 6. | Qh5+ | Ke7 |
| 7. | Bc4 | Nc6 |
| 8. | Qf7+ | Kd6 |
| 9. | Nxe4# |
How the Dutch: Knight Mate works
The Dutch: Knight Mate is a classic chess opening trap arising from the Dutch. In this line White delivers checkmate on move 9, punishing a natural-looking but losing idea from Black.
The full sequence runs 1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.Bg5 h6 5.Bxf6 exf6 6.Qh5+ Ke7 7.Bc4 Nc6 8.Qf7+ Kd6 9.Nxe4#. Each move looks reasonable, which is exactly why the trap is so effective over the board — Black walks into it while trying to play "normal" developing moves.
This pattern is well known from master and correspondence play (Krongraf - Monsehr, Postal 1989). Recognising it early lets you either spring it as White or sidestep it as Black.
Practice this trap move-by-move
Open the Dutch: Knight Mate in the Trapsterapp to play it out on a live board, drill it in practice mode, and learn how to avoid it when it's set for you — along with the full library of chess traps and gambits, fully offline.