Chess puzzle (Checkmate)
Opening: Reti_Opening, Reti_Opening_Reti_Accepted
Moves: 1. Nf3 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 Bf5 5. Qb3 e6 6. Qxb7 Nbd7 7. O-O Be4 8.
Qb3 Bxf3 9. gxf3 Bd6 10. Kh1 O-O 11. Qc3 Ne5 12. Be2 Nd5 13. Qd4 c5 14. Qa4 Rb8
15. a3 Nxf3 16. Qe4 Nxh2 17. Rg1 Qf6 18. Bd3 h6 *
Position (FEN): 1r3rk1/p4pp1/3bpq1p/2pn4/4Q3/P2BP3/1P1P1P1n/RNB3RK w - - 0 19
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 492
Best move: Qh7#