Chess puzzle (Advantage)
Opening: Nimzowitsch_Defense, Nimzowitsch_Defense_Scandinavian_Variation
Moves: 1. e4 d5 2. e5 Nc6 3. d4 f6 4. exf6 Nxf6 5. Nf3 Ne4 6. Bd3 Bg4 7. h3 Bxf3 8.
Qxf3 Nxd4 9. Qh5+ g6 10. Qe5 Rg8 11. Qxd4 Bg7 12. Qa4+ c6 13. Bxe4 dxe4 14. Be3
Bxb2 15. c3 Bxa1 16. O-O b5 17. Qxe4 Qd5 18. Qxd5 *
Position (FEN): r3k1r1/p3p2p/2p3p1/1p1Q4/8/2P1B2P/P4PP1/bN3RK1 b q - 0 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 909
Best move: cxd5