Chess puzzle (Checkmate)
Opening: Indian_Defense, Indian_Defense_Other_variations
Moves: 1. d4 Nf6 2. Bf4 d5 3. e3 Bf5 4. h4 c6 5. Be2 h6 6. g4 Be4 7. f3 Bh7 8. g5 hxg5
9. hxg5 Bxc2 10. Qxc2 Rxh1 11. gxf6 Rxg1+ 12. Kf2 Rxb1 13. Rxb1 exf6 14. Rh1
Nd7 15. Rh8 Qe7 16. Qa4 a6 17. a3 O-O-O 18. Qxa6 bxa6 *
Position (FEN): 2kr1b1R/3nqpp1/p1p2p2/3p4/3P1B2/P3PP2/1P2BK2/8 w - - 0 19
White to move.
Themes: Queenside Attack Middlegame Boden's Mate, Mate in 1 
Puzzle rating: 756
Best move: Bxa6#