Chess puzzle (Advantage)
Opening: Modern_Defense, Modern_Defense_Mongredien_Defense
Moves: 1. e4 g6 2. Nc3 Bg7 3. d4 b6 4. Nf3 Bb7 5. Bd3 e6 6. Be3 Ne7 7. O-O d6 8. Qd2
Nd7 9. b4 O-O 10. a3 h5 11. Bh6 c5 12. Bxg7 Kxg7 13. d5 exd5 14. exd5 Nxd5 *
Position (FEN): r2q1r2/pb1n1pk1/1p1p2p1/2pn3p/1P6/P1NB1N2/2PQ1PPP/R4RK1 w - - 0 15
White to move.
Themes:  Middlegame  
Puzzle rating: 2034
Best move: Be4