Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Other_variations
Moves: 1. d4 d5 2. h3 Nf6 3. g4 h5 4. g5 Ne4 5. h4 g6 6. Bg2 Bg7 7. f4 c5 8. c3 cxd4
9. cxd4 Bg4 10. Nc3 Ng3 11. Rh2 Nc6 12. Be3 Nxd4 *
Position (FEN): r2qk2r/pp2ppb1/6p1/3p2Pp/3n1PbP/2N1B1n1/PP2P1BR/R2QK1N1 w Qkq - 0 13
White to move.
Themes:  Middlegame  
Puzzle rating: 1081
Best move: Bxd4