Chess puzzle (Advantage)
Opening: Alekhine_Defense, Alekhine_Defense_Other_variations
Moves: 1. e4 Nf6 2. Nc3 d6 3. Nf3 Bg4 4. h3 Bh5 5. Bc4 a6 6. a4 Nc6 7. d4 Bxf3 8. gxf3
e6 9. Bg5 Be7 10. d5 Nxd5 11. exd5 exd5 12. Bxe7 Qxe7+ 13. Be2 d4 14. Ne4 O-O-O
15. b4 Nxb4 16. Rb1 Nc6 17. f4 *
Position (FEN): 2kr3r/1pp1qppp/p1np4/8/P2pNP2/7P/2P1BP2/1R1QK2R b K - 0 17
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 931
Best move: Qxe4