Chess puzzle (Crushing)
Opening: Alekhine_Defense, Alekhine_Defense_Maroczy_Variation
Moves: 1. e4 Nf6 2. d3 d6 3. f4 g6 4. Be2 Bg7 5. Nf3 O-O 6. O-O Nbd7 7. Nc3 c5 8. Bd2
a6 9. a4 e5 10. Nd5 Nxd5 11. exd5 exf4 12. Bxf4 Bxb2 13. Rb1 Be5 14. Nxe5 Nxe5
15. Bh6 Re8 16. Qd2 f5 17. d4 Ng4 *
Position (FEN): r1bqr1k1/1p5p/p2p2pB/2pP1p2/P2P2n1/8/2PQB1PP/1R3RK1 w - - 1 18
White to move.
Themes:  Middlegame  
Puzzle rating: 1313
Best move: Bxg4