Chess puzzle (Crushing)
Opening: Yusupov-Rubinstein_System, Yusupov-Rubinstein_System_Other_variations
Moves: 1. d4 Nf6 2. e3 e6 3. Nf3 c5 4. c3 Nc6 5. g3 Be7 6. Bg2 O-O 7. Nbd2 d5 8. Nb3
b6 9. O-O Ba6 10. Re1 Rc8 11. dxc5 b5 12. Nfd4 Na5 13. Nxa5 Qxa5 14. Bd2 Qa4
15. Qxa4 bxa4 16. b4 axb3 17. axb3 Bd3 18. Rxa7 Bxc5 19. b4 *
Position (FEN): 2r2rk1/R4ppp/4pn2/2bp4/1P1N4/2PbP1P1/3B1PBP/4R1K1 b - - 0 19
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1579
Best move: Bxa7