Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Najdorf_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bd2 Nf6 8.
Be2 e5 9. Nf5 Bxf5 10. exf5 d5 11. Bg5 d4 12. Ne4 Be7 13. O-O *
Position (FEN): rn1qk2r/1p2bppp/p4n2/4pPB1/3pN3/8/PPP1BPPP/R2Q1RK1 b kq - 3 13
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 745
Best move: Nxe4