Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Scheveningen_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 e6 6. Be2 Nf6 7. f4 Qc7 8. O-O
Be7 9. f5 e5 10. Nb3 O-O 11. Bg5 Nbd7 12. Bh5 Re8 13. Nd5 Nxd5 *
Position (FEN): r1b1r1k1/1pqnbppp/p2p4/3npPBB/4P3/1N6/PPP3PP/R2Q1RK1 w - - 0 14
White to move.
Themes:  Opening  
Puzzle rating: 1829
Best move: Qxd5