Chess puzzle (Checkmate)
Opening: Caro-Kann_Defense, Caro-Kann_Defense_Other_variations
Moves: 1. e4 c6 2. d4 e6 3. Nc3 d5 4. Bf4 dxe4 5. Nxe4 Nf6 6. Bg5 Be7 7. Qf3 Nxe4 8.
Bxe7 Qxe7 9. Qxe4 O-O 10. Bd3 Qb4+ 11. c3 Qxb2 *
Position (FEN): rnb2rk1/pp3ppp/2p1p3/8/3PQ3/2PB4/Pq3PPP/R3K1NR w KQ - 0 12
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 991
Best move: Qxh7#