Chess puzzle (Advantage)
Opening: Ponziani_Opening, Ponziani_Opening_Jaenisch_Counterattack
Moves: 1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. Qc2 Bc5 5. b4 Bb6 6. a4 Ng4 7. d4 a6 8. d5
Bxf2+ 9. Ke2 Ne7 10. h3 Bg3 11. hxg4 d6 12. Rh3 Bf4 13. Bxf4 exf4 14. Kd1 Bxg4
15. Rh2 Ng6 16. b5 axb5 17. Bxb5+ Bd7 18. c4 Bxb5 *
Position (FEN): r2qk2r/1pp2ppp/3p2n1/1b1P4/P1P1Pp2/5N2/2Q3PR/RN1K4 w kq - 0 19
White to move.
Themes:  Middlegame  
Puzzle rating: 1123
Best move: cxb5