Chess puzzle (Crushing)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. O-O a6 8. Be3
Nc6 9. Qd2 h5 10. h3 Qc7 11. Bg5 Nxd4 12. Qxd4 b5 13. Bb3 Bb7 14. Rfe1 O-O 15.
Qd2 Kh7 16. Rab1 Rad8 17. Bd5 b4 18. Bxb7 bxc3 19. bxc3 Qa5 20. c4 Qxa2 21. Bd5
Nxd5 22. exd5 Rfe8 23. Qd3 f6 24. Bd2 f5 25. Bg5 Rd7 26. Rbd1 Rc7 27. Ra1 *
Position (FEN): 4r3/2r1p1bk/p2p2p1/3P1pBp/2P5/3Q3P/q1P2PP1/R3R1K1 b - - 5 27
Black to move.
Themes:  Middlegame  
Puzzle rating: 1232
Best move: Bxa1