Chess puzzle (Crushing)
Moves: 1. d4 d5 2. Nc3 Nf6 3. g3 e6 4. a3 Bd6 5. Bg2 h6 6. Nb5 a6 7. Nxd6+ Qxd6 8. Bf4
Qb6 9. b4 Nc6 10. Nf3 O-O 11. O-O Ne7 12. Re1 Bd7 13. c3 a5 14. Ne5 axb4 15.
Nxd7 Nxd7 16. axb4 Ng6 17. Bd2 Nf6 18. Qc2 Ra7 19. e4 dxe4 20. Bxe4 Nxe4 21.
Rxe4 *
Position (FEN): 5rk1/rpp2pp1/1q2p1np/8/1P1PR3/2P3P1/2QB1P1P/R5K1 b - - 0 21
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1013
Best move: Rxa1+