Chess puzzle (Crushing)
Opening: Semi-Slav_Defense, Semi-Slav_Defense_Main_Line
Moves: 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Bd6 6. g4 Nxg4 7. Rg1 h5 8. h3 Nf6
9. Rxg7 Rg8 10. Rxg8+ Nxg8 11. cxd5 cxd5 12. Bd3 Qf6 13. Bd2 a6 14. Qe2 Nc6 15.
O-O-O Bd7 16. Rg1 O-O-O 17. Bxa6 bxa6 *
Position (FEN): 2kr2n1/3b1p2/p1nbpq2/3p3p/3P4/2N1PN1P/PP1BQP2/2K3R1 w - - 0 18
White to move.
Themes: Queenside Attack Middlegame  
Puzzle rating: 963
Best move: Qxa6+