Chess puzzle (Advantage)
Opening: Saragossa_Opening, Saragossa_Opening_Other_variations
Moves: 1. c3 e6 2. f3 d5 3. e4 dxe4 4. fxe4 Nc6 5. d3 Nf6 6. Bg5 Be7 7. Qf3 O-O 8. Nd2
Ne5 9. Qg3 Nh5 10. Bxe7 Nxg3 11. Bxd8 Nxh1 12. Bxc7 Nxd3+ 13. Bxd3 b6 14. O-O-O
Nf2 15. Rf1 *
Position (FEN): r1b2rk1/p1B2ppp/1p2p3/8/4P3/2PB4/PP1N1nPP/2K2RN1 b - - 3 15
Black to move.
Themes: Hanging Piece, Queenside Attack Middlegame  
Puzzle rating: 739
Best move: Nxd3+