Final position — Black delivers mate
The Queen-Rook Mate ⬆
Black wins in 12 moves by checkmate. (Series of Traps: No. 1 - St. Petrov's Defense - -- The Queen-Rook Mate ⬆️ -- - C42 - https://lichess.org/@/protonie)
The moves
| 1. | e4 | e5 |
| 2. | Nf3 | Nf6 |
| 3. | Nxe5 | Nc6 |
| 4. | Nxc6 | dxc6 |
| 5. | d3 | Bc5 |
| 6. | Be2 | h5 |
| 7. | O-O | Ng4 |
| 8. | h3 | Qd6 |
| 9. | hxg4 | hxg4 |
| 10. | e5 | Qxe5 |
| 11. | Bf4 | Qxf4 |
| 12. | g3 | Qxg3# |
How the The Queen-Rook Mate ⬆ works
The The Queen-Rook Mate ⬆ is a classic chess opening trap arising from the Petrov's defence. In this line Black delivers checkmate on move 12, punishing a natural-looking but losing idea from White.
The full sequence runs 1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nc6 4.Nxc6 dxc6 5.d3 Bc5 6.Be2 h5 7.O-O Ng4 8.h3 Qd6 9.hxg4 hxg4 10.e5 Qxe5 11.Bf4 Qxf4 12.g3 Qxg3#. 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 (Series of Traps: No. 1 - St. Petrov's Defense - -- The Queen-Rook Mate ⬆️ -- - C42 - https://lichess.org/@/protonie). Recognising it early lets you either spring it as Black or sidestep it as White.
Practice this trap move-by-move
Open the The Queen-Rook 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.