Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Scheveningen_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 Nc6 8. Qd2
h5 9. O-O-O Qc7 10. Kb1 b5 11. Bd3 Be7 12. Bg5 *
Position (FEN): r1b1k2r/2q1bpp1/p1nppn2/1p4Bp/3NP3/2NB1P2/PPPQ2PP/1K1R3R b kq - 3 12
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1210
Best move: Nxd4