Chess puzzle (Advantage)
Opening: Alekhine_Defense, Alekhine_Defense_Exchange_Variation
Moves: 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nf3 Bg4 7. b3 Nc6 8. Bb2
g6 9. Be2 Bg7 10. O-O O-O 11. Na3 d5 12. c5 Nc8 13. Nc2 e6 14. a3 N8e7 15. Ne3
Nf5 *
Position (FEN): r2q1rk1/pp3pbp/2n1p1p1/2Pp1n2/3P2b1/PP2NN2/1B2BPPP/R2Q1RK1 w - - 3 16
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1651
Best move: Nxg4