Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Chigorin_Variation
Moves: 1. d4 d5 2. Nc3 c6 3. Bf4 f5 4. f3 Nf6 5. e3 e6 6. Be2 Be7 7. g4 fxg4 8. fxg4
Ne4 9. Nxe4 dxe4 10. Qd2 O-O 11. O-O-O Na6 12. Bxa6 bxa6 13. Be5 Rb8 14. Ne2
Qb6 15. c3 Ba3 16. Kc2 *
Position (FEN): 1rb2rk1/p5pp/pqp1p3/4B3/3Pp1P1/b1P1P3/PPKQN2P/3R3R b - - 2 16
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 400
Best move: Qxb2#