In a game of speed chess I defeated my opponent in 16 moves. He was Marquestreefrog of the United States, who played black. Here are the moves of the game:
1. e4 e5
2. f4 d6
Black declines the pawn sacrifice.
3. Nf3 h6
Black wants to prevent Ng5, but a developing move such as Nf6 is better.
4. Bc4 Nc6
5. 0-0 exf
Now black accepts my pawn. This allows me to build a strong pawn centre.
6. d4 g5
7. e5 d5
8. Bb5 Bd7
9. c4 a6
If black takes my pawn, I can advance the d-pawn.
10. Bxc6 Bxc6
11. Nc3 Bb4
12. e6 fxe
There are two reasons behind the pawn sacrifice. I clear e5 for my knight and after moving the knight I can check on h5 with my queen.
13. Ne5 Bxc3
Black makes a mistake. He probably expects the recapture bxc3, but I can deliver a devastating check on h5. Here black needs to play Nf6.
14. Qh5+ Ke7
15. Qf7+ Kd6
My c-pawn delivers mate. The keys to victory in this game are my ability to expose the uncastled king and black's failure to play Nf6. This enables me to mate quickly.