Chess puzzle (Crushing)
Opening: Caro-Kann_Defense, Caro-Kann_Defense_Two_Knights_Attack
Moves: 1. e4 c6 2. Nc3 d5 3. Nf3 Nf6 4. e5 Ne4 5. d4 Bg4 6. h3 Bxf3 7. Qxf3 Nxc3 8.
bxc3 e6 9. Bd3 c5 10. Be3 cxd4 11. cxd4 Nc6 12. c3 Qa5 13. Bd2 Qc7 14. O-O Be7
15. Qg4 g6 16. f4 O-O-O 17. Rfb1 h5 18. Qd1 Na5 19. Qa4 a6 *
Position (FEN): 2kr3r/1pq1bp2/p3p1p1/n2pP2p/Q2P1P2/2PB3P/P2B2P1/RR4K1 w - - 0 20
White to move.
Themes:  Middlegame  
Puzzle rating: 1904
Best move: Bxa6