Chess puzzle (Advantage)
Opening: Italian_Game, Italian_Game_Classical_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 d6 5. d4 exd4 6. cxd4 Bb6 7. Ng5 Nh6 8.
Qh5 Qf6 9. O-O Bg4 10. Bxf7+ Kd8 11. Ne6+ Kc8 12. Qg5 Qxf7 13. Nxg7 Rg8 14.
Qxh6 Rxg7 15. f3 Nxd4 16. Kh1 Nc2 17. Nd2 Nxa1 18. fxg4 Qg8 19. Nc4 a5 *
Position (FEN): r1k3q1/1pp3rp/1b1p3Q/p7/2N1P1P1/8/PP4PP/n1B2R1K w - - 0 20
White to move.
Themes: Queenside Attack Middlegame  
Puzzle rating: 1043
Best move: Nxb6+