Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Bowdler_Attack
Moves: 1. e4 c5 2. Bc4 Nc6 3. Nf3 b6 4. c3 Bb7 5. d4 d6 6. Ng5 e6 7. d5 Ne5 8. Bb3 Qd7
9. dxe6 fxe6 10. Bxe6 Qb5 11. Nf7 Ke7 12. Nxh8 Kxe6 13. Bf4 *
Position (FEN): r4bnN/pb4pp/1p1pk3/1qp1n3/4PB2/2P5/PP3PPP/RN1QK2R b KQ - 1 13
Black to move.
Themes:  Middlegame  
Puzzle rating: 1022
Best move: Nd3+