Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Chigorin_Defense
Moves: 1. d4 d5 2. c4 Nc6 3. e3 Nf6 4. Nc3 e6 5. b3 Bb4 6. Bd2 Ne4 7. Nxe4 dxe4 8.
Bxb4 Nxb4 9. Qd2 c5 10. Nh3 e5 11. Rd1 exd4 12. exd4 cxd4 *
Position (FEN): r1bqk2r/pp3ppp/8/8/1nPpp3/1P5N/P2Q1PPP/3RKB1R w Kkq - 0 13
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1144
Best move: Qxb4