Chess puzzle (Checkmate)
Opening: Kings_Pawn_Game, Kings_Pawn_Game_Kings_Head_Opening
Moves: 1. e4 e5 2. f3 d6 3. c3 Nf6 4. d4 exd4 5. cxd4 Qe7 6. d5 g6 7. h4 Bg7 8. Nc3
O-O 9. Bg5 Qe5 10. Qd2 c6 11. O-O-O cxd5 12. Nxd5 Nxd5 13. Qxd5 *
Position (FEN): rnb2rk1/pp3pbp/3p2p1/3Qq1B1/4P2P/5P2/PP4P1/2KR1BNR b - - 0 13
Black to move.
Themes: Queenside Attack Middlegame Mate in 1 
Puzzle rating: 924
Best move: Qxb2#