Chess puzzle (Advantage)
Opening: Nimzo-Indian_Defense, Nimzo-Indian_Defense_Other_variations
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bf4 d5 5. c5 Ne4 6. Rc1 Qh4 7. g3 Qf6 8. Nf3
Nc6 9. Bxc7 b6 10. a3 Nxc3 11. bxc3 Bxa3 12. Ra1 Bb2 13. Rb1 Bxc3+ 14. Nd2 Bxd4
15. Qa4 Bd7 16. g4 Ne5 *
Position (FEN): r3k2r/p1Bb1ppp/1p2pq2/2Ppn3/Q2b2P1/8/3NPP1P/1R2KB1R w Kkq - 1 17
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1893
Best move: Qxd4