Chess puzzle (Advantage)
Opening: Modern_Defense, Modern_Defense_Other_variations
Moves: 1. d4 g6 2. Bf4 Bg7 3. e3 Nf6 4. Nd2 O-O 5. Ngf3 d6 6. c3 Nh5 7. Bg3 Nxg3 8.
hxg3 e5 9. dxe5 dxe5 10. Qc2 Be6 11. Nc4 Nc6 12. Bd3 f5 13. e4 *
Position (FEN): r2q1rk1/ppp3bp/2n1b1p1/4pp2/2N1P3/2PB1NP1/PPQ2PP1/R3K2R b KQ - 0 13
Black to move.
Themes:  Middlegame  
Puzzle rating: 1259
Best move: fxe4