Chess puzzle (Crushing)
Moves: 1. f4 c5 2. Nf3 Nc6 3. e3 e6 4. a3 Be7 5. d3 Bh4+ 6. Nxh4 Qxh4+ 7. g3 Qd8 8.
Bg2 Nf6 9. Bf3 O-O 10. Bd2 b5 11. Bc3 Nd5 12. Qe2 b4 13. axb4 cxb4 14. Bd2 Nce7
15. e4 Nb6 16. Bxb4 Bb7 17. O-O f5 18. exf5 Bxf3 19. Qxf3 Rxf5 20. Bxe7 Qxe7
21. Qb7 Qc5+ 22. Kh1 Qxc2 23. Rxa7 *
Position (FEN): r5k1/RQ1p2pp/1n2p3/5r2/5P2/3P2P1/1Pq4P/1N3R1K b - - 0 23
Black to move.
Themes:  Middlegame  
Puzzle rating: 1325
Best move: Rxa7