Chess puzzle (Advantage)
Opening: Caro-Kann_Defense, Caro-Kann_Defense_Forgacs_Variation
Moves: 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Bc4 Bd6 7. Be3 O-O
8. Qh5 Be6 9. Bd3 g6 10. Qh4 Re8 11. O-O-O Bxa2 12. Nf3 Nd7 13. Nd2 Qa5 14. Ne4
Be7 15. Bd2 Qa4 16. Nc3 Qa5 17. Nb5 Qd8 18. Nc3 b5 *
Position (FEN): r2qr1k1/p2nbp1p/2p2pp1/1p6/3P3Q/2NB4/bPPB1PPP/2KR3R w - - 0 19
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1468
Best move: Nxa2