Chess puzzle (Crushing)
Opening: Alekhine_Defense, Alekhine_Defense_Krejcik_Variation
Moves: 1. e4 Nf6 2. Bc4 Nxe4 3. Qf3 d5 4. Bb3 c5 5. c4 e6 6. d3 Nf6 7. Bg5 Be7 8. Ne2
Nc6 9. Nd2 O-O 10. h4 h6 11. O-O-O dxc4 12. Nxc4 Nd4 13. Nxd4 Qxd4 14. Rde1 Bd7
15. Bxf6 Bxf6 16. Re4 Qxb2+ *
Position (FEN): r4rk1/pp1b1pp1/4pb1p/2p5/2N1R2P/1B1P1Q2/Pq3PP1/2K4R w - - 0 17
White to move.
Themes:  Middlegame  
Puzzle rating: 982
Best move: Nxb2