Chess puzzle (Advantage)
Opening: Kings_Pawn_Game, Kings_Pawn_Game_Leonardis_Variation
Moves: 1. e4 e5 2. d3 d5 3. a3 dxe4 4. dxe4 Qxd1+ 5. Kxd1 Nf6 6. Bd3 Bc5 7. Ke2 Nc6 8.
Be3 Bxe3 9. Kxe3 O-O 10. Nf3 Ng4+ 11. Ke2 Re8 12. h3 Nf6 13. Nc3 Bd7 14. Rag1
Kf8 15. h4 h5 16. Nd2 Nd4+ 17. Kd1 Ng4 18. Rf1 Ba4 *
Position (FEN): r3rk2/ppp2pp1/8/4p2p/b2nP1nP/P1NB4/1PPN1PP1/3K1R1R w - - 6 19
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1030
Best move: Nxa4