Chess puzzle (Advantage)
Opening: Alekhine_Defense, Alekhine_Defense_Normal_Variation
Moves: 1. e4 Nf6 2. e5 Nd5 3. a3 d6 4. exd6 cxd6 5. Bc4 Nc7 6. d4 Be6 7. Nd2 d5 8. Bd3
g6 9. h3 Bg7 10. Ngf3 O-O 11. O-O Nc6 12. c3 Qd7 13. Re1 Bf5 14. Bb5 *
Position (FEN): r4rk1/ppnqppbp/2n3p1/1B1p1b2/3P4/P1P2N1P/1P1N1PP1/R1BQR1K1 b - - 4 14
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1415
Best move: Nxb5