Chess puzzle (Advantage)
Opening: Italian_Game, Italian_Game_Giuoco_Piano
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8.
O-O O-O 9. Nxe4 d5 10. a3 dxe4 11. axb4 exf3 12. Qxf3 Nxd4 13. Qg3 Qf6 14. Ra5
Be6 15. Bd3 b6 16. Rg5 g6 17. Be3 c5 18. Qh4 Kh8 19. Bf4 Nc6 *
Position (FEN): r4r1k/p4p1p/1pn1bqp1/2p3R1/1P3B1Q/3B4/1P3PPP/5RK1 w - - 4 20
White to move.
Themes:  Middlegame  
Puzzle rating: 2044
Best move: b5