Chess puzzle (Crushing)
Opening: Owen_Defense, Owen_Defense_Other_variations
Moves: 1. e4 b6 2. d4 Bb7 3. Nc3 e5 4. d5 Nf6 5. Bd3 c6 6. dxc6 Nxc6 7. Bg5 Nb4 8. a3
Nxd3+ 9. Qxd3 Be7 10. Qc4 O-O 11. Nf3 d5 12. exd5 Nxd5 13. O-O-O *
Position (FEN): r2q1rk1/pb2bppp/1p6/3np1B1/2Q5/P1N2N2/1PP2PPP/2KR3R b - - 1 13
Black to move.
Themes:  Middlegame  
Puzzle rating: 1233
Best move: Bxg5+