Final position — Black delivers mate
OMG Trap
Black wins in 10 moves by checkmate. (50 Opening Traps,Part 1 - OMG Trap - C57 - https://lichess.org/@/CHESSLUCAFD)
The moves
| 1. | e4 | e5 |
| 2. | Nf3 | Nc6 |
| 3. | Bc4 | Nf6 |
| 4. | Ng5 | d5 |
| 5. | exd5 | Nd4 |
| 6. | d6 | Qxd6 |
| 7. | Nxf7 | Qc6 |
| 8. | Nxh8 | Qxg2 |
| 9. | Rf1 | Qe4+ |
| 10. | Be2 | Nf3# |
How the OMG Trap works
The OMG Trap is a classic chess opening trap arising from the Two Knights Defence. In this line Black delivers checkmate on move 10, punishing a natural-looking but losing idea from White.
The full sequence runs 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Nd4 6.d6 Qxd6 7.Nxf7 Qc6 8.Nxh8 Qxg2 9.Rf1 Qe4+ 10.Be2 Nf3#. Each move looks reasonable, which is exactly why the trap is so effective over the board — White walks into it while trying to play "normal" developing moves.
This pattern is well known from master and correspondence play (50 Opening Traps,Part 1 - OMG Trap - C57 - https://lichess.org/@/CHESSLUCAFD). Recognising it early lets you either spring it as Black or sidestep it as White.
Practice this trap move-by-move
Open the OMG Trap 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.