Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_London_System
Moves: 1. d4 d5 2. Bf4 Nf6 3. Nf3 e6 4. e3 Nc6 5. c4 Ne4 6. Bd3 Bb4+ 7. Nfd2 Nxd2 8.
Nxd2 Bd6 9. cxd5 exd5 10. O-O O-O 11. Qh5 g6 12. Qxd5 *
Position (FEN): r1bq1rk1/ppp2p1p/2nb2p1/3Q4/3P1B2/3BP3/PP1N1PPP/R4RK1 b - - 0 12
Black to move.
Themes:  Middlegame  
Puzzle rating: 2122
Best move: Bxf4