Chess puzzle (Checkmate)
Opening: Queens_Gambit, Queens_Gambit_Other_variations
Moves: 1. d4 d5 2. c4 Bg4 3. h3 Bh5 4. cxd5 Qxd5 5. Nc3 Qa5 6. Qb3 Qb6 7. Nd5 Qxb3 8.
axb3 Na6 9. Rxa6 bxa6 10. Nxc7+ Kd7 11. Nxa8 Kc6 12. Bf4 Kb7 13. Nc7 f6 14. e3
e5 15. dxe5 *
Position (FEN): 5bnr/pkN3pp/p4p2/4P2b/5B2/1P2P2P/1P3PP1/4KBNR b K - 0 15
Black to move.
Themes:  Middlegame Boden's Mate, Mate in 1 
Puzzle rating: 746
Best move: Bb4#