Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Torre_Attack
Moves: 1. d4 Nf6 2. Bg5 d5 3. Nf3 e6 4. e3 h6 5. Bh4 Be7 6. c4 O-O 7. cxd5 exd5 8. Bd3
Nbd7 9. O-O b6 10. Nc3 Bb7 11. a3 Ne4 12. Qb3 *
Position (FEN): r2q1rk1/pbpnbpp1/1p5p/3p4/3Pn2B/PQNBPN2/1P3PPP/R4RK1 b - - 2 12
Black to move.
Themes:  Middlegame  
Puzzle rating: 1186
Best move: Bxh4