Final position — Black is winning
Sicilian Defence: Bxf7 Sacrifice (Kurtes–Berta)
Black wins in 10 moves with a decisive material gain. (Kurtes - Berta, Hungary 1958)
The moves
| 1. | e4 | c5 |
| 2. | d4 | cxd4 |
| 3. | c3 | dxc3 |
| 4. | Nxc3 | Nc6 |
| 5. | Nf3 | g6 |
| 6. | Bc4 | Na5 |
| 7. | Bxf7+ | Kxf7 |
| 8. | Qd4 | Bg7 |
| 9. | Ng5+ | Kf8 |
| 10. | Ne6+ |
How the Sicilian Defence: Bxf7 Sacrifice (Kurtes–Berta) works
The Sicilian Defence: Bxf7 Sacrifice (Kurtes–Berta) is a classic chess opening trap arising from the Sicilian Defence. In this line Black wins decisive material by move 10, punishing a natural-looking but losing idea from White.
The full sequence runs 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 g6 6.Bc4 Na5 7.Bxf7+ Kxf7 8.Qd4 Bg7 9.Ng5+ Kf8 10.Ne6+. 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 (Kurtes - Berta, Hungary 1958). Recognising it early lets you either spring it as Black or sidestep it as White.
Practice this trap move-by-move
Open the Sicilian Defence: Bxf7 Sacrifice (Kurtes–Berta) 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.