Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Other_variations
Moves: 1. d4 c6 2. Nf3 d5 3. e3 Nf6 4. Bd3 Bg4 5. Nbd2 e6 6. O-O Be7 7. Qe2 Nbd7 8. e4
dxe4 9. Nxe4 Nxe4 10. Qxe4 Bf5 11. Qe3 Bxd3 12. Qxd3 O-O 13. Bf4 c5 14. Ng5 *
Position (FEN): r2q1rk1/pp1nbppp/4p3/2p3N1/3P1B2/3Q4/PPP2PPP/R4RK1 b - - 1 14
Black to move.
Themes:  Middlegame  
Puzzle rating: 1000
Best move: Bxg5