Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Baltic_Defense
Moves: 1. d4 d5 2. c4 Bf5 3. cxd5 Bxb1 4. Qa4+ c6 5. Rxb1 Qxd5 6. Nf3 Nd7 7. b4 a6 8.
Qc2 Ngf6 9. e3 e6 10. Bd3 Qh5 11. O-O Bd6 12. e4 e5 13. Bb2 O-O 14. Be2 exd4
15. Nxd4 *
Position (FEN): r4rk1/1p1n1ppp/p1pb1n2/7q/1P1NP3/8/PBQ1BPPP/1R3RK1 b - - 0 15
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 935
Best move: Qxh2#