Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Colle_System
Moves: 1. d4 d5 2. Nf3 Nf6 3. e3 Bg4 4. h3 Bh5 5. g4 Bg6 6. Ne5 Nbd7 7. Nxg6 hxg6 8.
Nc3 e5 9. dxe5 Nxe5 10. Bg2 Bb4 11. Bd2 c6 12. Qe2 Qb6 13. O-O-O Nc4 14. Nb1
Ba3 15. Qxc4 *
Position (FEN): r3k2r/pp3pp1/1qp2np1/3p4/2Q3P1/b3P2P/PPPB1PB1/1NKR3R b kq - 0 15
Black to move.
Themes: Queenside Attack Middlegame Mate in 1 
Puzzle rating: 554
Best move: Qxb2#