Final position — White delivers mate
Bishop Brother's Mate
White wins in 14 moves by checkmate. (50 Opening Traps,Part 1 - Bishop Brother's Mate - B11 - https://lichess.org/@/CHESSLUCAFD)
The moves
| 1. | e4 | c6 |
| 2. | Nf3 | d5 |
| 3. | Nc3 | Bg4 |
| 4. | h3 | Bxf3 |
| 5. | Qxf3 | Nf6 |
| 6. | d4 | dxe4 |
| 7. | Qe3 | Nd5 |
| 8. | Qxe4 | Nxc3 |
| 9. | bxc3 | e6 |
| 10. | Rb1 | Qc8 |
| 11. | Bd3 | Nd7 |
| 12. | Bg5 | h6 |
| 13. | Qxe6+ | fxe6 |
| 14. | Bg6# |
How the Bishop Brother's Mate works
The Bishop Brother's Mate is a classic chess opening trap arising from the Caro-Kann Defence. In this line White delivers checkmate on move 14, punishing a natural-looking but losing idea from Black.
The full sequence runs 1.e4 c6 2.Nf3 d5 3.Nc3 Bg4 4.h3 Bxf3 5.Qxf3 Nf6 6.d4 dxe4 7.Qe3 Nd5 8.Qxe4 Nxc3 9.bxc3 e6 10.Rb1 Qc8 11.Bd3 Nd7 12.Bg5 h6 13.Qxe6+ fxe6 14.Bg6#. 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 (50 Opening Traps,Part 1 - Bishop Brother's Mate - B11 - https://lichess.org/@/CHESSLUCAFD). Recognising it early lets you either spring it as White or sidestep it as Black.
Practice this trap move-by-move
Open the Bishop Brother's 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.