Chess puzzle (Advantage)
Opening: Italian_Game, Italian_Game_Hungarian_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d3 Nf6 5. Nc3 O-O 6. O-O d6 7. h3 Nd7 8. a3
Kh8 9. Be3 f5 10. exf5 Nf6 11. Nh2 Bxf5 12. f4 e4 13. g4 Bd7 14. dxe4 Qe8 15.
Bd3 Na5 16. f5 c5 17. b3 Rc8 18. a4 c4 19. Be2 *
Position (FEN): 2r1qr1k/pp1bb1pp/3p1n2/n4P2/P1p1P1P1/1PN1B2P/2P1B2N/R2Q1RK1 b - - 1 19
Black to move.
Themes:  Opening  
Puzzle rating: 1345
Best move: cxb3