Chess puzzle (Crushing)
Opening: Tarrasch_Defense, Tarrasch_Defense_Two_Knights_Variation
Moves: 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. e3 Nf6 7. h3 Bf5 8. Bb5
Be7 9. Ne5 Rc8 10. Qa4 O-O 11. Nxc6 bxc6 12. Bxc6 cxd4 13. exd4 Qd6 14. Bb5 Ne4
15. Nxe4 Bxe4 16. O-O Qg6 17. f3 Bc2 18. Qa3 *
Position (FEN): 2r2rk1/p3bppp/6q1/1B1p4/3P4/Q4P1P/PPb3P1/R1B2RK1 b - - 2 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 838
Best move: Bxa3